ПОДЛОЖКА ИЗ ПОЛИУРЕТАНА С НИЗКИМ УРОВНЕМ ИСПУСКАНИЯ, РАСПЫЛЯЕМАЯ СИСТЕМА НА ОСНОВЕ ПОЛИУРЕТАНА ДЛЯ СОЗДАНИЯ ТАКОЙ ПОДЛОЖКИ И ПРИМЕНЕНИЕ ТАКОЙ ПОДЛОЖКИ

... 1. Распыляемая система на основе полиуретана, содержащая полиольный компонент (А) и изоцианатный компонент (В), причем полиольный компонент (А) содержит ! а1) по меньшей мере одно соединение, реагирующее с изоцианатом ! а2) по меньшей мере один агент удлинения реакционноспособной цепи по меньшей мере с двумя группами, способными реагировать с изоцианатами, причем по меньшей мере одна группа, способная реагировать с изоцианатами, представляет собой свободную первичную группу NH2-, а также ! а3) по меньшей мере один металлический катализатор и ! а4) при необходимости, прочие добавки, ! отличающаяся тем, что она не содержит аминных катализаторов. ! 2. Распыляемая система на основе полиуретана по п.1, отличающаяся тем, что в состав по меньшей мере одного соединения а1), способного реагировать с изоцианатом, входит простой полиэфирполиол. ! 3. Распыляемая система на основе полиуретана по п.2, отличающаяся тем, что простой полиэфирполиол содержит по меньшей мере один полиэфирполиол со среднечисленной ...

ПОВЯЗКА НА РАНЫ, СОДЕРЖАЩАЯ СЛОЙ ПЕНОПОЛИУРЕТАНА И ПОКРЫВАЮЩИЙ СЛОЙ ИЗ ТЕРМОПЛАСТИЧНОГО ПОЛИМЕРА

... 1. Слоистый композиционный материал, подходящий в качестве повязки на раны, включающий слой пеноматериала (10), а также покрывающий слой (20), причем этот покрывающий слой (20) содержит термопластичный полимер и по меньшей мере частично непосредственно соединен со слоем пеноматериала (10), и причем слой пеноматериала (10) содержит пенополиуретан, который получают путем того, что вспенивают и высушивают композицию, содержащую водную анионно гидрофилированную дисперсию полиуретана (I). ! 2. Слоистый композиционный материал по п.1, причем композиция, из которой получают пенополиуретан слоя пеноматериала (10), кроме того, содержит добавки, которые выбирают из группы, включающей амиды жирных кислот, сульфосукцинамиды, сульфонаты углеводородов, сульфаты углеводородов, соли жирных кислот, алкилполигликозиды и/или блоксополимеры этиленоксида/пропиленоксида. ! 3. Слоистый композиционный материал по п.2, причем блоксополимеры этиленоксида/пропиленоксида имеют структуру, соответствующую общей формуле ...

КЛЕЕВЫЕ КОМПОЗИЦИИ НА ОСНОВЕ РАСТВОРИТЕЛЯ

ПОРИСТЫЕ ГЕЛИ НА ОСНОВЕ АРОМАТИЧЕСКОЙ ПОЛИМОЧЕВИНЫ

... 1. Пористый гель, содержащий следующие компоненты в превращенной форме:(а1) по меньшей мере один полифункциональный изоцианат,(а2) по меньшей мере один полифункциональный ароматический амин, выбранный из группы, включающей 4,4'-диамино-дифенилметан, 2,4'-диаминодифенилметан, 2,2'-диамино-дифенилметан и олигомерный диаминодифенилметан, и(а3) по меньшей мере один полиалкиленполиамин.2. Пористый гель по п.1, содержащий следующие компоненты в превращенной форме:(а1) от 30 до 90 мас.% по меньшей мере одного полифункционального изоцианата,(а2) от 9,99 до 66 мас.% по меньшей мере одного полифункционального ароматического амина и(а3) от 0,01 до 4 мас%. по меньшей мере одного полиалкиленполиамина,причем сумма массовых процентов компонентов (а1)-(а3) в пересчете на общую массу компонентов (а1), (а2) и (а3) составляет 100 мас.%.3. Пористый гель по п.1 или 2, причем компонентом (а3) является полиалкиленполиамин с высокой степенью разветвления.4. Пористый гель по п.1 или 2, причем он является ксерогелем ...

СПОСОБ СКЛЕИВАНИЯ С ФОЛЬГОЙ

MEMBRANEN AUS DIISOCYANAT-ADDITIONSPOLYMEREN FUER HAEMODIALYSE UND/ODER HAEMOFILTRATION

SPANDEXFASER MIT ETHYLENDIAMIN/1,2-DIAMINOPROPAN ALS KETTENVERLÄNGERER UND VERFAHREN ZU DESSEN HERSTELLUNG

Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur

Die vorliegende Erfindung betrifft ein verbessertes Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur durch kontinuierliche Umsetzung von überschüssigen Mengen an organischen Diisocyanaten mit ausschließlich aliphatisch und/oder cycloaliphatisch gebundenen Isocyanatgruppen mit organischen Diaminen mit ausschließlich aliphatisch und/oder cycloaliphatisch gebundenen primären Aminogruppen bei erhöhten Temperaturen durch 2-stufige Zugabe der Isocyanatkomponente.

Wässrige PUR-Dispersionen mit verbesserter Haftung

Die Erfindung betrifft neue wässrige Polyester-Polyurethan-Dispersionen, Beschichtungsmittel, enthaltend diese Dispersionen sowie die daraus hergestellten Lacke.

Neue Polyurethane und ihre Verwendung zur Verdickung wässriger Systeme

Die Erfindung betrifft neue, als Verdickungsmittel für wässrige Systeme geeignete hydrophil/hydrophobe wasserlösliche oder wasserdispergierbare Polyurethane, die sich durch eine besonders effiziente Verdickungswirkung im high-sheare-Bereich auszeichnen, sowie ihre Verwendung zur Verdickung wässriger Systeme.

THIXOTROPIC BINDER SYSTEM

A film-forming thixotropic binder system for imparting sag resistance to coating compositions comprising the product obtained by reacting an isocyanate preferably having a molecular weight of at least 400 and comprising more than two isocyanate groups (preferably an isocyanurate trimer obtained from di-isocyanates) with a polyamine and optionally a monoamine in the presence of a film-forming carboxylic acid copolymer having an acid value of at least 25 mg KOH/g copolymer. The binder composition may be neutralised by alkali to produce a salt soluble in an aqueous coating composition. Also detailed processes for making the binder system.

THIXOTROPIC BINDER SYSTEMS FOR THIXOTROPIC COATING COMPOSITIONS

WITH VERARBEITUNGSHILFSMITTELN MANUFACTURE OF DETENTION ADHESIVES OF THE TYPE SILICONE, PRODUCTS AS WELL AS PROCEDURE

HUMIDITY-HARDENABLE SILYLIERTER POLYHARNSTOFF AND ADHESIVE, DICHTSTOFFUND BESCHTICHTUNGSZUSAMMENSETZUNGEN THEREBY

EMISSIONSARME CARRIER LAYER FROM PU, SPRAYING PU SYSTEM FOR THE PRODUCTION OF SUCH A CARRIER LAYER AND USE OF SUCH A CARRIER LAYER

PROCEDURES FOR THE PRODUCTION OF STORABLE CATALYST-FREE MIXTURES OF IF NECESSARY ONLY PARTIAL CARBODIIMIDISIERTEN MONO AND/OR POLYISOCYANATEN

PROCEDURE FOR THE PRODUCTION OF POWDERED (POLY) UREA OF MEANS SPRAY DRYING

THIXOTROP BINDER SYSTEM FOR THE PRODUCTION OF THIXOTROPER COATING COMPOSITIONS.

MICRO CAPS WITH IMPROVED WAENDEN.

EMULSIFYING AGENT-FREELY IN WATER DISPERSE-CASH PU

THERMALLY AND WITH AKTINI RADIATION HARDENABLE MATERIAL MIXTURE, PROCEDURE FOR ITS PRODUCTION AND ITS USE

MICRO CAPS WITH SIMPLY ADJUSTABLE ONE DELIVERY RATE

MICROCAPSULES WITH IMPROVED WALLS

Chain extenders

This invention provides chain extender compositions. These compositions comprise (i) an aliphatic secondary diamine, and (ii) a component selected from the group consisting of: (a) a cycloaliphatic primary diamine; (b) an aliphatic secondary diamine; (c) an aliphatic secondary diamine and an aliphatic primary diamine; (d) an aliphatic diimine; and (e) a combination of any two or more of (a) through (d), with the proviso that when (ii) is (a), (i) is a noncyclic aliphatic secondary diamine. Processes for producing polyurethanes, polyureas, and polyurea-urethanes are also provided.

Biostable polyurethanes

POLYUREA MACROMER AND LATEXES THEREOF

Abstract The present invention is a composition comprising a) a stable aqueous dispersion of polymer particles having one or more structural units of i) a polyurea macromer; and ii) an acrylate, a methacrylate, a vinyl ester, or a styrene monomer, or a combination thereof; and/or b) an 5 aqueous mixture of a i) polyurea macromer polymer particles; and b) acrylate, methacrylate, vinyl ester, or styrenic polymer particles, or a combination thereof, wherein the polyurea macromer is characterized by the following formula I: AlN RX Y N 1 R1" N Y Y1- R' N 'A2 0o .0 where A , A , R , R , and R are as defined herein. In another aspect, the present invention is the compound of Formula I. Compositions prepared using the compound of the present invention can be used to form coatings with excellent balance of low temperature film formation, hardness, and flexibility.

POLYUREA MACROMER AND LATEXES THEREOF

Abstract The present invention is a composition comprising a) a stable aqueous dispersion of polymer particles having one or more structural units of i) a polyurea macromer; and ii) an acrylate, a methacrylate, a vinyl ester, or a styrene monomer, or a combination thereof; and/or b) an 5 aqueous mixture of a i) polyurea macromer polymer particles; and b) acrylate, methacrylate, vinyl ester, or styrenic polymer particles, or a combination thereof, wherein the polyurea macromer is characterized by the following formula I: A"- N RX N R N Y N R3 NA2 .0 where A , A , R , R , and R are as defined herein. In another aspect, the present invention is the compound of Formula I. Compositions prepared using the compound of the present invention can be used to form coatings with excellent balance of low temperature film formation, hardness, and flexibility.

Hybrid polymers

The present invention pertains to a polyurethane fluoropolymer [polymer (F ...

Titanium dioxide pigment and manufacturing method

A titanium dioxide pigment comprises a plurality of titanium dioxide particles, and a polymer deposited on the titanium dioxide particles for inhibiting agglomeration of the titanium dioxide particles in an aqueous based coating formulation. The titanium dioxide particles have anchoring moieties associated therewith for facilitating anchoring of the polymer to the particles. The polymer is a copolymer having anchoring groups for attaching to the anchoring moieties associated with the titanium dioxide particles and hydrophobic end groups for attaching to the resin of the coating formulation. In another aspect, the invention provides a method of manufacturing a titanium dioxide pigment.

Interpenetrating polymer networks for contact lens production

LOW-CURE POWDER COATINGS AND METHODS FOR USING THE SAME

Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure: formula (I) wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is formula (II) and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.

AQUEOUS PUR DISPERSION WITH IMPROVED ADHESIVE CHARACTERISTICS

The invention relates to novel aqueous polyester polyurethane dispersions, coating substances containing said dispersions, and paint produced therefrom.

POLYISOCYANATES WHICH CONTAIN CARBODIIMIDE GROUPS AND WHICH ARE STABLE IN STORAGE

SPANDEX COMPOSITONS FOR HIGH SPEED SPINNING

... ²²²A spandex comprising a polyurethane or polyurethaneurea reaction product of at ²least one diisocyanate compound and a poly(tetramethylene-co-ethyleneether) ²glycol comprising constituent units derived by copolymerizing tetrahydrofuran ²and ethylene oxide wherein the percentage of ethylene ether moieties is from ²about 16 to about 70 mole percent with at least one chain extender selected ²from the group consisting of diamines and diols and at least one chain ²terminator wherein the spandex is spun at a speed in excess of about 750 ²meters per minute.² ...

STAIN RESISTANT COATING COMPOSITION

A stain resistant coating composition includes: urethane acrylate core-shell particles including (1) a polymeric acrylic core; and (2) a polymeric shell including a urethane linkage. The polymeric shell is formed from a reaction mixture including an isocyanate and a polyol. The polyol is substantially free of a six or more consecutive methylene group chain and/or the polyol is formed from monomers comprising a monomer content including at least 10 wt% substituted polyol and/or substituted polyacid and/or at least 25 wt% polyol or polyacid containing cyclic content, based on the total weight of the monomers forming the polyol.

LIQUID, UREA GROUP-CONTAINING POLYISOCYANATE MIXTURES AND PLASTICS DERIVED THEREFROM

UREA AND URETHANE GROUP CONTAINING ANTI-SETTLING RHEOLOGY CONTROL ADDITIVE

The present invention relates to a urea and urethane group containing product comprising one or more species of formula (I) R1-O-(C=O)-NH-R2-NH-(C=O)-NH-R3-NH-[-(C=O)-NH-R4-NH-(C=O)-NH-R3- NH-]n-(C=O)-NH-R2-NH-(C=O)-O-R1 (I), wherein R1 independently represents a non-aromatic hydrocarbyl group having 14 to 30 carbon atoms; R2 independently represents alkyl-substituted aromatic hydrocarbyl groups having 7 to 12 carbon atoms; R3 independently represents hydrocarbyl groups having 2 to 36 carbon atoms, which can be interrupted by 1 to 17 ether oxygen atoms in case of aliphatic hydrocarbyl groups; R4 independently represents hydrocarbyl groups having 2 to 36 carbon atoms; n is an integer from 0 to 200; and wherein on average from 40 mol-% to 100 mol-% of all R3 and R4 groups contained in the one or more species of formula (I) are acyclic aliphatic hydrocarbyl groups which, in case of R3, can be interrupted by 1 to 17 ether oxygen atoms. The invention further relates to a method of manufacturing ...

REACTIVE ULTRAVIOLET ABSORBER AND APPLICATION THEREOF

... . , ABSTRACT A reactive UV absorber suitable for polyurethane is provided. The reactive UV absorber is a compound of formula 1: HO RI OH 0/ 0 HO [formula 1], wherein R1 is H or Cl. CA 3062853 2021-02-26 ...

AQUEOUS COMPOSITIONS BASED ON POLYALKENAMERS

The invention relates to aqueous compositions containing a) at least one polymer PALK in the form of dispersed polymer particles, wherein the polymer PALK can be obtained by the ring-opening metathesis polymerization of at least one cyclic olefin monomer and b) at least one polymer P2 in the form of dispersed polymer particles, wherein the polymer P2 does not have an olefenically unsaturated C-C bond and has repeating units which have at least one polar group. The aqueous compositions are suitable in particular for producing films and barrier coatings which have a very good barrier effect against gases such as air, oxygen, nitrogen, argon, and carbon dioxide, in particular against oxygen and oxygen-containing gases such as air. At the same time, the films and coatings have very good mechanical properties, in particular a high elongation at break while having a good tear strength.

DIAMINE CHAIN EXTENDER COMPOSITIONS

This invention provides chain extender compositions. These compositions c omprise (i) an aromatic primary diamine, and (ii) a component selected from the group consisting of: (a) an aliphatic secondary diamine; (b) an aliphati c primary diamine; (c) an aliphatic secondary diamine and an aliphatic prima ry diamine; (d) a diimine; and (e) a combination of any two or more of (a) t hrough (d). When (ii) is (a), (a) has amino hydrocarbyl groups which are sec ondary or tertiary hydrocarbyl groups; when (ii) is (d), and (d) is an aroma tic diimine, each imino hydrocarbylidene group has at least two carbon atoms . Processes for producing polyurethanes, polyureas, and polyurea-urethanes a re also provided.

CURABLE PHOTOCHROMIC COMPOSITIONS

A curable photochromic composition can include: (a) a first component having a first compound with at least two active hydrogen-functional groups and an active hydrogen-functional group equivalent weight of at least 1000; (b) a second component having at least one of a polyisocyanate and a blocked polyisocyanate; and (c) at least one photochromic compound. The ratio of total isocyanate and blocked isocyanate equivalents of the second component to total active hydrogen-functional group equivalents of the first component is at least 4:1.

POLYETHER-URETHANE-UREA ADDITIVES FOR BLOCK RESISTANCE AND OPEN TIME

A hydrophilic polyurethane comprising polymerized units of: (a) a water-soluble polyol having hydroxyl functionality from two to four and a weight-average molecular weight from 800 to 16,000; and (b) an aliphatic polyisocyanate having isocyanate functionality from two to six; wherein polymerized ethylene oxide units comprise at least 85 wt% of said hydrophilic polyurethane; and wherein a product of weight fraction of polymerized ethylene oxide units and polyethylene oxide mean molecular weight is from 4,200 to 16,000.

METHODS FOR REACTIVE THREE-DIMENSIONAL PRINTING BY EXTRUSION

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also enclosed.

ISOCYANATE-BASED PREPOLYMER

The invention relates to an isocyanate-containing prepolymer obtained from a stepwise mixing by reacting at least one isocyanate with at least one first compound selected from the group consisting of monohydric thiols, monohydric secondary amines, and monohydric alcohols, and subsequently with at least one second compound selected from the group consisting of monohydric thiols, monohydric secondary amines, and monohydric alcohols, wherein said at least one second compound is different from said at least one first compound, wherein the at least one isocyanate comprises polymeric methylene diphenyl diisocyanate and wherein the ratio of the NCO value of the isocyanate-containing prepolymer, to the weighted average of the monohydric alcohols, monohydric thiols and monohydric secondary amines value, of said first and second compounds ranges from 0.0005 to 1.0000. This prepolymer can be used as a one-component adhesive or as a component in a two-component adhesive.

AQUEOUS DISPERSIONS OF POLYURETHANE RESINS BASED ON ROSIN

L'invention concerne une résine de polyuréthane linéaire ou branchée à base d'un polyester, obtenue à partir de A) un polyester gras hydroxylé, avec : - ledit polyester A) étant le produit de réaction de a) un composant alcool avec b) un composant acide, lequel composant acide b) comprend b1) au moins un acide gras, avec ledit composant b) comprenant en plus b2) de la colophane et/ou des dérivés de colophane portant au moins une fonction acide carboxylique, b2) représentant de 30 à 85%, en poids, par rapport au poids total de A) - en option, ledit polyester A) ayant une longueur en huile nulle (0%) ou entre 0 et 60%, - en option, ledit polyester A) ayant un rapport en poids d'acides (monoacides) gras oxydables par rapport aux acides gras de 0 ou supérieur à 0 et allant jusqu'à 1 et avec ladite résine, étant le produit de réaction dudit polyester polyol A) avec: B) au moins un diol comportant une fonction acide avec ladite fonction acide étant éventuellement neutralisée C) au moins un polyisocyanate ...

SUNLIGHT CURABLE COATING COMPOSITIONS

A coating composition capable of curing to a high hardness by exposure to sunlight. More particularly, the coating composition comprises a high molecular weight polyurethane (meth)acrylate or methacrylate dissolved in one or more non-alcohol solvent, a visible light photoinitiator, and an alcohol solubilizer.

SUNLIGHT CURABLE COATING COMPOSITIONS

A coating composition capable of curing to a high hardness by exposure to sunlight. More particularly, the coating composition comprises a high molecular weight polyurethane (meth)acrylate or methacrylate dissolved in one or more non-alcohol solvent, a visible light photoinitiator, and an alcohol solubilizer.

PROCESS FOR PREPARING A THIXOTROPIC AGENT AND ITS USE

The invention relates to a process for preparing a solution that is active as a thixotropic agent and contains urea urethanes, in which monohydroxyl compounds are reacted with an excess of toluylene diisocyanate, the unreacted portion of the toluylene diisocyanate is removed from the reaction mixture and the monoisocyanate adduct obtained is further reacted with diamines in the presence of a lithium salt to form urea urethanes. The invention also relates to the use of the solution for imparting thixotropic properties to coating compounds.

Verfahren zur Herstellung eines hochmolekularen Polyamids.

Verfahren zur Herstellung von höhermolekularen Polyisocyanaten mit Biuret-Struktur

Verfahren zur Herstellung eines Polyurethans, welches bei 25o C mit mindestens dem gleichem Volumen Schwerbenzin eine klare Lösung gibt

Diisocyanate adducts are prepared from aliphatic

Diisocyanate adduct is prepared by reacting a diisocyanate of formula (I) where X = H or the group COOR1, where R1 is an alkyl group with at least 4C atoms; R = alkyl with at least 4C atoms when X = COOR1; and R = alkyl with at least 8C atoms when X = H; and n = 2 or 3; with a polyol and/or a diamine at 25 deg.C.

Verfahren zur Herstellung eines organischen Copolymeren, welches bei 25ºC mit mindestens dem gleichen Volumen Schwerbenzin eine klare Lösung gibt

AGROCHEMICAL PREPARATIVE FORM, CONTAINING ENCAPSULATED PESTICIDE

COMPOSITION OF THE ATTENUATOR OF CHAIN ON THE BASIS OF DIAMINE

УДЛИНИТЕЛИ ЦЕПИ

Это изобретение предусматривает композиции удлинителя цепи. Эти композиции содержат: (i) алифатический вторичный диамин и (ii) компонент, выбранный из ряда, содержащего: (а) циклоалифатический первичный диамин; (b) алифатический вторичный диамин; (с) алифатический вторичный диамин и алифатический первичный диамин; (d) алифатический диимин и (е) комбинацию любых двух или более от (а) до (d), с условием, что когда (ii) это (а), (i) - это нециклический алифатический вторичный диамин. Процессы получения полиуретанов, полимочевин и полимочевино-уретанов так же предусмотрены.

КОМПОЗИЦИИ ДЛЯ РЕАКЦИОННО-ЛИТЬЕВОГО ФОРМОВАНИЯ И СИСТЕМ РАСПЫЛЕНИЯ

Данное изобретение предоставляет изделия, изготовляемые реакционно-литьевым формованием, и наносимые распылением покрытия, а также способы получения таких изделий и покрытий. Покрытия и изделия образованы полимочевинами или полимочевиноуретанами. Ингредиенты, используемые для получения таких покрытий и изделий, включают в себя, по меньшей мере: (А) ароматический полиизоцианат и (Б) смесь, образованную компонентами, состоящими из: (i) по меньшей мере одного полиола и/или по меньшей мере одного полиэфирамина, (ii) ароматического первичного диамина и (iii) алифатического вторичного диамина, который содержит примерно от двенадцати до сорока атомов углерода, а аминогидрокарбильные группы которого содержат вторичные или третичные гидрокарбильные группы.

Polyurethane acrylate oligomer and preparation method thereof as well as water-based paint

MICROCAPSULE COMPOSITIONS STABILIZED WITH VISCOSITY CONTROL AGENTS

Urea-based and urethane-based pressure sensitive adhesive blends

Cold-soft polyurethane formulation

Epoxy resin curing agent applied to permeable pavement material and preparation method thereof

Preparation method of biomass-based polymer emulsion

Silicone pressure sensitive adhesives, articles and methods for preparing and using

PRODUCTION OF POLYURETHANE POWDER

Manufactoring process of made up polyamides with high molecular weight

POLYISOCYANATES HAS STABLE CARBODIIMIDE GROUPS WITH STORAGE

METHOD OF PREPARATION OF POLYURETHANES

Liants thixotropes pour des compositions thixotropes de revêtement, et procédés pour leur production.

L'invention concerne un liant thixotrope filmogène. Ce liant est un produit de co-réaction d'un isocyanate avec une polyamine et, facultativement, une monoamine, en présence d'un copolymère d'acide carboxylique filmogène. Application: production au moyen dudit liant d'une composition de revêtement présentant une résistance améliorée à la formation de coulures.

SPANDEX FIBER USING ETHYLENE DIAMENE/1,2-DIAMINOPROPANE AS CHAIN EXTENDER AND PROCESS FOR MAKING SAME

SPANDEX COMPOSITIONS FOR HIGH SPEED SPINNING

DISPERSION DE MICROCÁPSULAS, AND, PROCESS FOR THE PREPARATION OF THE SAME ONE

catálise de formulações de resina de epóxido com catalisadores dificilmente solúveis

Spandex with high uniformity

Disclosed herein are a highly uniform spandex and process for making such spandex. More particularly, the polyurethaneurea of which such spandex is prepared has both dialkylurea and cycloalkylurea ends, wherein a chain terminator composition includes a dialkylamine such as diethylamine and a cylcoalkylamine such as cyclohexylamine.

Film-forming composition and film-forming device

Provided is a film-forming composition having a first component and a second component that mutually polymerize and generate a nitrogen-containing carbonyl compound. The desorption energy of at least either the first component or the second component is at least twice the nitrogen-containing carbonyl compound formation energy.

LAGRINGSSTABILA, KARBODIIMIDGRUPPER INNEHALLANDE POLYISOCYANATER

POLYUREA POLYMERS FROM SECONDARY POLYETHER POLYAMINES

Provided herein are polyurea polymers made from an organic isocyanate and a polyamine component, wherein the polyamine component comprises a polyether polyamine in which the nitrogen atoms are secondary. The polyurea polymers of the invention are useful in a wide range of end-use applications and possess superior physical properties over polyurea polymers of the prior art. Methods for producing the polyurea polymers are also disclosed.

INTERPENETRATING DILATANT POLYMER NETWORK FOR IMPACT PROTECTION

An interpenetrating or semi interpenetrating polymer network comprises first and second network polymers, wherein at least the first network polymer comprises a rheopectic and/or a dilatant material.

BIOSTABLE POLYURETHANES

The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants. 121.-. (canceled)23. The polyurethane urea according to claim 22 , in which the Rto Rin formula (I) are independently selected from Calkyl.24. The polyurethane urea according to claim 23 , in which Rto Rin formula (I) are methyl.25. The polyurethane urea according to claim 22 , in which Rand Rin formula (I) are independently selected from Calkylene.26. The polyurethane urea according to claim 22 , in which Rand Rin formula (I) are ethylene or propylene.27. The polyurethane urea according to claim 22 , in which p in formula (i is an integer of 5 to 30.28. The polyurethane urea according to claim 22 , in which the diisocyanate is an aromatic diisocyanate.29. The polyurethane urea according to claim 28 , in which the aromatic diisocyanate is 4 claim 28 ,4′-diphenylmethyl diisocyanate (MDI).30. The polyurethane urea according to claim 22 , in which the chain extender has a molecular weight of 500 or less.31. The polyurethane urea according to claim 22 , in which the Calkane diol is 1 claim 22 ,4-butanediol (BDO).321. A process for preparing the biostable polyurethane urea according to claim which comprises the steps of:{'b': '1', '(i) reacting the diisocyanate with the amine or hydroxy terminated polysiloxane of formula (I) according to claim to form a prepolymer; and'}(ii) high shear mixing the prepolymer with the linear difunctional chain extender.33. A biomaterial claim 22 , device claim 22 , article or implant which is wholly or partly composed of the biostable polyurethane urea according to .34. A biomaterial claim 33 , device claim 33 , article or ...

PRESSURE-SENSITIVE ADHESIVE TAPES INCLUDING A POLYCARBAMATE RELEASE COATING

Release agents are provided which comprise the polymeric reaction product of a fatty diamine with a diisocyanate and, optionally, a diol. These polyurea and polycarbamate products have the following recurring formula: ...

Two component aliphatic polyurethane/polyurea/polyaspartic coating

A polymer based antimicrobial coating composition comprising water; polyol; paint additives; hexamethylene diisocyanate (HDI hardener); a catalyst; and an antimicrobial agent, wherein said water takes up between 30% to 35% of the polymer composition by weight, and the polymer has a pentane adipate diol with dimethyl propionic acid functionality with an acid number from 75 to 95 and hydroxyl number from 320 to 360, and amounts to 12% to 15% of the polymer composition by weight.

LOW-WATER-CONTENT HYDROPHILIZATION AGENTS AND USE THEREOF IN AQUEOUS DISPERSIONS

The present invention relates to compositions comprising a) 20-80% by weight, based on the total mass of constituents of the composition, of at least one sulfonic acid functionalized with at least one hydroxy and/or amino group and/or at least one sulfonic acid derivative functionalized with at least one hydroxy and/or amino group and b) 80-20% by weight, based on the total mass of constituents of the composition, of at least one compound having at least two OH groups, a method for the preparation thereof and use thereof. 1. A composition comprisinga) from 20 to 80% by weight, based on the total mass of constituents of the composition, of at least one sulfonic acid functionalized with at least one hydroxy and/or amino group and/or at least one sulfonic acid derivative functionalized with at least one hydroxy and/or amino group andb) from 80 to 20% by weight, based on the total mass of constituents of the composition, of at least one compound having at least two OH groups.2. The composition according to claim 1 , wherein components a) and b) are the sole reactive constituents present in the composition.3. The composition according to claim 1 , wherein the composition contains not more than 5% by weight claim 1 , based on the total mass of constituents of the composition claim 1 , of solvents.4. The composition according to claim 1 , wherein the composition comprisesa) from 35 to 65% by weight of at least one sulfonic acid and/or one sulfonic acid derivative andb) from 65 to 35% by weight of at least one compound having at least two OH groups.5. The composition according to claim 1 , wherein component a) is exclusively a sulfonic acid derivative.6. The composition according to claim 1 , wherein the sulfonic acid derivative is a lithium claim 1 , sodium claim 1 , potassium or caesium salt of a sulfonic acid selected from the group consisting of hydroxyethylsulfonic acid claim 1 , hydroxypropylsulfonic acid claim 1 , hydroxybutylsulfonic acid claim 1 , ...

SOLVENT-BASED ADHESIVE COMPOSITIONS

Solvent-based adhesive composition are disclosed, the compositions comprising (A) a polyester-urethane resin, (B) an epoxy-terminated polyester compound, (C) a phosphoric acid, and (D) an aliphatic isocyanate curing agent. Methods for preparing a solvent-based adhesive composition, the methods comprising providing a polyester-urethane resin, providing an epoxy-terminated polyester compound, mixing the polyester-urethane resin, epoxy-terminated polyester compound, and phosphoric acid to form a resin mixture, diluting the resin mixture in a solvent to form a diluted resin mixture having an application solid content from 25 to 55 weight percent, based on the total weight of the diluted resin mixture, and curing the diluted resin mixture with an aliphatic isocyanate curing agent at a mix ratio (parts by weight resin mixture before dilution:parts by weight aliphatic isocyanate curing agent) of from 100:1 to 100:12. Laminates prepared comprising the solvent-based adhesives and according to the ...

PROCESS FOR PRODUCING POLYISOCVANURATE PLASTICS HAVING FUNCTIONALIZED SURFACES

The invention relates to a process for producing polyisocyanurate plastics having a functionalized surface, comprising the following steps: a) providing a polyisocyanate composition A) containing monomeric and/or oligomeric polyisocyanates; b) catalytically trimerizing the polyisocyanate composition A) so as to obtain a bulk polyisocyanurate material as intermediate; c) surface functionalizing the intermediate by contacting at least one surface of the intermediate with at least one functionalizing reagent D); d) continuing the catalytic trimerization. The invention further relates to a polyisocyanurate plastic having a functionalized surface obtainable from the process of the invention. 116.-. (canceled)17. A process for producing polyisocyanurate plastics having a functionalized surface , comprising the following steps:a) providing a polyisocyanate composition A) containing monomeric and/or oligomeric polyisocyanates;b) catalytically trimerizing the polyisocyanate composition A) so as to obtain a bulk polyisocyanurate material as intermediate;c) surface functionalizing the intermediate by contacting at least one surface of the intermediate with at least one functionalizing reagent D);d) continuing the catalytic trimerization.18. The process according to claim 17 , wherein the polyisocyanurate intermediate obtained in step b) has a viscosity sufficiently high that complete mixing does not take place in the course of contacting with the functionalizing reagent in step c) claim 17 , but at least an intact layer of the bulk polyisocyanurate material is instead conserved.19. The process according to claim 17 , wherein the catalytic trimerization in step b) is continued until a viscosity of at least 100 000 mPas or the gel point has been attained.20. The process according to claim 17 , wherein the catalytic trimerization in step b) is effected up to a conversion level at which more than 20% of isocyanate groups originally present in the polyisocyanate composition A) are ...

Graphene-modified Elastomer Material and Its Preparation Method

A graphene-modified elastomer material and its preparation method. The elastomer material comprises a first component and a second component; the first component comprises isocyanate prepolymer obtained through reaction of polyol and isocyanate, and the isocyanate prepolymer has a —NCO content of 22-30%; the second component comprises the following components in parts by weight: 60-90 parts of polyetheramine, 1-10 parts of liquid amine chain extender, 1-5 parts of polytetrahydrofuran ether polyol, and 1-5 parts of graphenes. Through adjusting the —NCO content of the isocyanate prepolymer, increasing the hard segment content, and combining with the components in the second component, the invention ensures the elasticity of the polymer while improving its mechanical properties such as hardness and bending strength.

WATER-BASED COATING COMPOSITIONS

The present invention relates to water-based coating composition comprising A) at least one water-dilutable polyurethane binder, B) optionally at least one curing agent, and C) at least one pigment, characterised in that the at least one water-dilutable polyurethane binder is based on at least one polyhydroxyl compound, said polyhydroxyl compound comprises at least 50% by weight of at least one polycarbonate polyol, which is liquid at 20° C., the % by weight are based on the total amount of the polyhydroxyl compound. The invention also relates to the use of the water-based coating composition as base coat composition in a multilayer coating comprising a layer of a base coat composition and a layer of clear coat composition thereon. The water-based coating composition can be used as colour- and/or special effect imparting base coat composition in a multilayer coating comprising a layer of a base coat composition and a layer of a clear coat composition thereon.

Methods for Reactive Three-Dimensional Printing by Inkjet Printing

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also disclosed. 1. A method of three-dimensional printing an object comprising:depositing by inkjet printing a first reactive component comprising a first functional group; the second functional group is reactive with the first functional group; and', 'at least one of the first functional group and the second functional group comprises a saturated functional group; and, 'depositing by inkjet printing a second component comprising a second functional group; wherein,'}building a three-dimensional printed object.2. The method of claim 1 , wherein an initial equivalent ratio of the first functional group to the second functional group is from 1.5:1 to 1:1.5.3. The method of claim 1 , wherein the at least two coreactive components comprise:the first component comprises a polyamine and the second component comprises a polyisocyanate;the first component comprises a polyalkenyl compound and the second component comprises a polythiol; athe first component comprises a Michael addition acceptor and the second component comprises a Michael addition donor; ora combination of any of the foregoing;4. The method of claim 1 , wherein the composition is substantially free of solvent.5. The method of claim 1 , wherein depositing comprises depositing by inkjet printing the second component comprises depositing the second component overlying at least a portion of the first layer.6. The method of claim 1 , wherein depositing comprises simultaneously depositing the first component and the second component.7. The method of claim 1 , wherein depositing comprises sequentially depositing the first component and the second component.8. The method of claim 1 , wherein claim 1 ,the first component comprises an isocyanate-functional prepolymer; andthe second functional group comprises a primary amine, a secondary amine, a hydroxyl, or a ...

STRIPPABLE COATING COMPOSITION FOR FLOORS

A strippable coating composition for floors which contains at least 50% by weight of an aqueous polyurethane resin relative to the total solid content, wherein the hydroxyl-containing compound component constituting the aqueous polyurethane resin comprises (A) a polyester polyol component prepared from 1,6-hexanediol and either an aliphatic dibasic acid and/or an aromatic dibasic acid, (B) a low-molecular alicyclic diol component, and (C) an unsaturated fatty acid ester polyol. The strippable coating composition can form a coating film that has a tear strength of 0.3N or more, a break strength of 10 MPa or more, and an elongation at break of 50% or more.

INTERPENETRATING DILATANT POLYMER NETWORK FOR IMPACT PROTECTION

An interpenetrating or semi interpenetrating polymer network comprises first and second network polymers, wherein at least the first network polymer comprises a rheopectic and/or a dilatant material.

Dispersing agent, and pigment composition, pigment-dispersed product and inkjet ink prepared therefrom

A dispersing agent characterized in that said dispersing agent is prepared by reacting primary and/or secondary amino groups of an amine compound comprising a polyamine (C) with isocyanate groups of a urethane prepolymer (E) having two isocyanate groups in one terminal region, wherein said urethane prepolymer (E) has been prepared by reacting hydroxyl groups in a vinyl polymer (A) having two hydroxyl groups in one terminal region with isocyanate groups in diisocyanates (B), and in that an amine number of said dispersing agent is 1 to 100 mgKOH/g is disclosed. The dispersing agent of the present invention has excellent dispersibility, flowability, and storage stability when used in small quantities. A pigment-dispersed product can be prepared therefrom, independently of the kinds of binder resin or solvent used. Further, the present invention is suitable for offset ink, gravure ink, resist ink for a color filter, inkjet ink, coating composition, and colored resin composition.

Silicone priming compositions, articles, and methods

Priming compositions and methods, wherein the compositions include a polydiorganosiloxane polyurea copolymer comprising electron rich groups.

AQUEOUS POLYURETHANE RESIN COMPOSITION AND POLYURETHANE FILM

An aqueous polyurethane resin composition including: an aqueous polyurethane resin which is a chain-extended product obtained from a neutralized product of an isocyanate-terminated prepolymer which is a reaction product of (A) a polyisocyanate, (B) polyols, and (C) a diol having a carboxy group and/or a carboxylate group, by using (D) a polyamine having two or more amino groups and/or imino groups in one molecule, wherein (B) the polyols contain (b-1) a polypropylene glycol having a number average molecular weight of 600 to 10,000 and (b-2) a polytetramethylene glycol having a number average molecular weight of 1,000 to 4,000, a total amount of (b-1) the polypropylene glycol and (b-2) the polytetramethylene glycol accounts for 50% by mass or more of an entire amount of (B) the polyols, and a mass ratio between (b-1) the polypropylene glycol and (b-2) the polytetramethylene glycol is (b-1):(b-2)=0.5:99.5 to 60:40.

HYBRID POLYURETHANE BLOCK COPOLYMERS WITH THERMOPLASTIC PROCESSABILITY AND THERMOSET PROPERTIES

POLYMERS MADE OF RENEWABLE RESOURCES

REINFORCED POLYURETHANE-UREA ELASTOMERS AND THE USE THEREOF

N,n'-dialkyl substituted polyoxyalkylene amines as curing agents for blocked isocyanates

A polyurethane coating composition is disclosed which may be heat cured under relatively mild conditions. The composition comprises a chemically blocked isocyanate and a curing agent comprising an N,N'-dialkyl substituted polyoxyalkylene amine.

Process for the preparation of polyurethane resins

PAVEMENT MARKING COMPOSITIONS

Catalysis of epoxy resin formulations having sparingly soluble catalysts

The present invention relates to epoxy resin formulations having a specific sparingly soluble catalyst mixture for enhancing reactivity.

Method for Providing a Side-Chain Dendrimer Vesicle

A method for making a side-chain dendrimer vesicle includes the following steps. At first, there is provided a random copolymer with a narrow distribution of molecular weights by active polymerization and chemical modification. Then, chemical modification is executed to graft various generations of dendrimers to the random copolymer to provide a side-chain dendritic random copolymer with various generations. Two steps of emulsification are taken to induce macromolecular self-assembling of the side-chain dendritic random copolymer solution to form the macromolecular vesicle. The side-chain dendrimer includes C 10 ˜C 18 hydrophobic alkyl chains.

Polyurethane Dispersions and Methods of Making and Using Same

The presently disclosed and claimed inventive concept(s) relates generally to polyethylene terephthalate (“PET”) polymers, digested oligomeric derivatives of PET (“dPET”), functionalized oligomeric derivatives of dPET (“dfPET”), and polyurethane dispersions (“PUD”) made from or incorporating dfPET therein.

Polyurethane elastic yarn and production method thereof

[Problem] To provide a polyurethane elastic yarn which has the high strength and ductility sought in polyurethane elastic yarn, and also has excellent durability and heat resistance, as well as little fatigue at low temperature; and a production method thereof. [Means of Resolution] A polyurethane elastic yarn made from polyurethane which has polymer diol and diisocyanate as starting substances, wherein said polyurethane comprises a polyurethane A containing a polybutadiene structure in which the proportion of 1,2-bonded butadiene structure to 1,4-bonded butadiene structure in the molecule is in the range from 91:9 to 20:80.

Articles Comprising Reinforced Polyurethane Coating Agent

Articles, such as absorbent articles, are described, comprising a coating or film, for example applied to superabsorbent polymer particles, the coating or film containing a polyurethane polymer material, containing polyurethane polymers with covalently bonded modified silica-containing material.

Agrochemical Formulation Comprising Encapsulated Pesticide

The present invention relates to microcapsules comprising a polyurea shell and a core, which contains a pesticide, a water-immiscible solvent A and at least 5 wt % of an aprotic, polar solvent B, which has a solubility in water from 0.5 to 20 g/l at 20° C., based on the total weight of the solvents in the core. It further relates to microcapsules comprising a shell and a core, which contains a pesticide and 2-heptanone; to a method for preparing said mircocapsules; to an aqueous composition comprising said microcapsules; and to a method for controlling phytopathogenic fungi and/or undesired plant growth and/or undesired attack by insects or mites and/or for regulating the growth of plants, with said mircocapsules.

Melt processible polyureas and polyurea-urethanes, method for the production thereof and products made therefrom

A polyurea or polyurea-urethane elastomer comprises a soft polymer segment and a hard polymer segment, wherein the hard polymer segment includes polyurea groups in combination with H-bond accepting chain extenders (HACEs) to reduce the flow temperature (T flow ) while maintaining the excellent mechanical properties such that the resulting polyurea elatomer is rendered melt-processable.

HOLLOW PARTICLES AND MANUFACTURING METHOD THEREOF, PORE FORMING MATERIAL, PARTICLES FOR COSMETICS, AND WEIGHT REDUCING MATERIAL

According to an embodiment of the present invention, provided are hollow particles which have a wall portion containing polyurethane or polyurea, have an internal porous structure, and have a plurality of opening spaces blocked by the wall portion in an outermost portion of the porous structure, and a manufacturing method thereof, and a pore forming material, particles for cosmetics, and a weight reducing material. 1. Hollow particles which have a wall portion containing polyurethane or polyurea , have an internal porous structure , and have a plurality of opening spaces blocked by the wall portion in an outermost portion of the porous structure.2. The hollow particles according to claim 1 ,wherein the particles have a void volume of 10% to 90%.3. The hollow particles according to claim 1 ,wherein the particles have a spherical particle shape.4. The hollow particles according to claim 1 ,wherein the particles have a volume-based median diameter of 0.1 μm to 500 μm.5. A pore forming material comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the hollow particles according to .'}6. The pore forming material according to claim 5 ,wherein the material is used for manufacturing porous ceramics or a porous resin.7. Particles for cosmetics which have oil absorbability or water absorbability claim 5 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the hollow particles according to .'}8. A weight reducing material comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the hollow particles according to .'}9. A hollow particle manufacturing method comprising:dispersing an oil phase containing a polyfunctional isocyanate compound, a compound having a boiling point of 90° C. to 150° C., and at least one of a polyol or a polyamine in a water phase to prepare a dispersion liquid;heat-treating the dispersion liquid to polymerize at least the polyfunctional isocyanate compound, thereby forming a wall portion, and obtaining particles encapsulating the ...

POLYMERIC DISPERSANTS CONTAINING ONE OR TWO QUATERNARY AMINE ANCHORING GROUPS WITH IMPROVED CHEMICAL AND THERMAL STABILITY

The present invention relates to a dispersant having a tertiary or quaternary amine anchoring group and a solubilizing polymer selected from Cfatty acid; a Cak(en)yl substituted succinic acid, anhydride or partial ester; a dimer or trimer fatty acid; and/or polymers from repeating units of polyesters, polyethers, polyacrylate, polyamides, polyurethanes or mixtures of said repeating units in a random or blocky copolymer. The dispersants are an improvement in that the alkylene connecting group between the tertiary or quaternized amine and the solubilizing polymer lacks abstractable hydrogen atoms at the geminal carbon atom from the nitrogen of the tertiary or quaternized amine over the prior art. The dispersants are useful as dispersants with improved thermal stability and low amounts yellow color after aging at elevated temperatures. 2. The dispersant composition of claim 1 , wherein D comprises be a polymer comprising repeating units from a polyester claim 1 , polyether claim 1 , polyamide claim 1 , polyamide claim 1 , polyacrylate claim 1 , polyurethane claim 1 , polyolefin repeating units and mixtures of said repeating units as random or blocky copolymers.3. The dispersant composition of claim 1 , wherein D comprises a Cfatty acid; a Cak(en)yl substituted succinic acid claim 1 , anhydride or partial ester; and/or a dimer or trimer fatty acid.5. The composition of claim 4 , wherein D comprises be a polymer comprising repeating units from a polyester claim 4 , polyether claim 4 , polyamide claim 4 , polyacrylate claim 4 , polyurethane claim 4 , polyolefin repeating units and mixtures of said repeating units as random or blocky copolymers claim 4 , such as a polyether/polyester or polyester/polyamide.6. The composition of claim 4 , wherein D comprises a Cfatty acid; a Calk(en)yl substituted succinic acid claim 4 , anhydride or partial ester; and/or a dimer or trimer fatty acid.7. The composition of claim 4 , wherein the continuous media is an aqueous media and D is a ...

VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE

Provided is a vinyl chloride resin composition that can provide a molded product having superior flexibility at low temperatures. The vinyl chloride resin composition includes (a) a vinyl chloride resin and (b) a dodecanedioic acid diester. Moreover, (a) the vinyl chloride resin includes (x) a base vinyl chloride resin in an amount of from 70 mass % to 100 mass % and (y) vinyl chloride resin fine particles in an amount of from 0 mass % to 30 mass %. 1. A vinyl chloride resin composition comprising:(a) a vinyl chloride resin; and(b) a dodecanedioic acid diester, wherein(a) the vinyl chloride resin includes (x) a base vinyl chloride resin in an amount of from 70 mass % to 100 mass % and (y) vinyl chloride resin fine particles in an amount of from 0 mass % to 30 mass %.2. The vinyl chloride resin composition of claim 1 , whereinan amount of (b) the dodecanedioic acid diester relative to 100 parts by mass of (a) the vinyl chloride resin is from 5 parts by mass to 200 parts by mass.3. The vinyl chloride resin composition of claim 1 , further comprising(c) a trimellitic acid ester.4. The vinyl chloride resin composition of claim 3 , whereina total amount of (b) the dodecanedioic acid diester and (c) the trimellitic acid ester relative to 100 parts by mass of (a) the vinyl chloride resin is from 5 parts by mass to 200 parts by mass.5. The vinyl chloride resin composition of claim 3 , whereina blending ratio of (b) the dodecanedioic acid diester relative to (c) the trimellitic acid ester, expressed as a mass ratio, is from 1/99 to 99/1.6. The vinyl chloride resin composition of claim 1 , wherein(x) the base vinyl chloride resin is vinyl chloride resin particles.7. The vinyl chloride resin composition of used in powder molding.8. The vinyl chloride resin composition of used in powder slush molding.9. A vinyl chloride resin molded product obtainable through powder molding of the vinyl chloride resin composition of .10. The vinyl chloride resin molded product of used as a ...

CYCLIC DYNAMIC POLYUREAS FOR POLYMERIC UREA PROCESSING

The present invention relates to a one-component processing method and system for preparing polyurea materials. This method and system involves a polymerization process using cyclic oligomeric polyurea precursors. These cyclic oligomeric precursors have dynamic urea bonds such as hindered urea bonds (HUBs). These cyclic oligomeric precursors exhibit dynamic properties to reversibly dissociate yielding isocyanate and amine components which polymerize to yield the polyureas, such as linear, branched or cross-linked polyureas. This method and system has advantages over conventional methods that utilize two-component systems. Such two-component systems require the segregation of the isocyanate and amine components to prevent premature or too rapid polymerization. The resulting polyureas are useful for a variety of applications including coatings. 2. A cyclic oligomer or polymer according to corresponding to formula (Ia).3. A cyclic oligomer or polymer according to corresponding to formula (Ib).4. A cyclic oligomer or polymer according to any of to wherein R claim 1 , R claim 1 , and Rare each methyl.6. A cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 500.7. A cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 50.8. A cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 20.9. A cyclic oligomer or polymer according to any of to wherein x is an integer about 2 to about 8.11. A hyperbranched cyclic oligomer or polymer according to corresponding to formula (IIa).12. A hyperbranched cyclic oligomer or polymer according to corresponding to formula (IIb).13. A hyperbranched cyclic oligomer or polymer according to any of to wherein R claim 10 , R claim 10 , and Rare each methyl.14. A hyperbranched cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 500.15. A hyperbranched cyclic oligomer or polymer ...

POLYURETHANE-BASED COMPOSITION

The invention relates to a composition containing: 114-. (canceled)18. The composition as claimed in claim 15 , wherein the polyurethane comprising at least two end functions T is prepared via a process comprising the following steps: i) of at least one polyisocyanate;', 'in amounts such that the NCO/OH mole ratio (r1) is strictly greater than 1; and', 'ii) with at least one polyol;'}], 'E1) the preparation of a polyurethane bearing NCO end groups via a polyaddition reactionE2) the reaction of the product formed on conclusion of step E1) with at least one compound of formula (II) as defined above, in amounts such that the NCO/OH mole ratio (r2) is less than or equal to 1.19. The composition as claimed in claim 15 , wherein step E1) is performed in the presence of a mixture of polyols.21. The composition as claimed in claim 15 , wherein the diamine B1 or the mixture of diamines B1 has a primary alkalinity ranging from 3.00 to 20.00 meq NH/g.22. The composition as claimed in claim 15 , wherein the polyamine or the mixture of polyamines B2 has a primary alkalinity ranging from 8.00 to 21.00 meq/g.23. The composition as claimed in claim 15 , wherein the mole ratio of the number of primary amine functions to the number of T functions (r3) ranges from 0.8 to 1.2.24. The composition as claimed in claim 15 , wherein it is an adhesive composition.25. A ready-to-use kit comprising the composition as claimed in claim 15 , wherein the composition A and the composition B are packaged in two separate compartments.26. A multilayer structure comprising at least two layers of material bonded together by an adhesive layer claim 15 , wherein said adhesive layer consists of the composition as claimed in claim 15 , in the crosslinked state.27. The multilayer structure as claimed in claim 26 , wherein the adhesive layer has a thickness ranging from 1.2 to 5 μm.28. A process for manufacturing the multilayer structure as claimed in claim 26 , comprising the following steps:mixing ...

Polyurethane elastic fiber with flame retardant function and preparation method thereof

Disclosed are a polyurethane elastic fiber with a flame retardant function and a preparation method thereof. The polyurethane elastic fiber is prepared by using a polyether diol containing phosphorus elements or a polyester diol containing phosphorus elements as a raw material to react with 4,4′-diphenylmethane diisocyanate to prepare a prepolymer, extending the chain using an organic amine to obtain a polyurethane solution, and dry spinning with the polymer solution to prepare the polyurethane fiber. The limit oxygen index of the prepared polyurethane fiber was between 25% and 32%.

POLYURETHANES

Partially crosslinked polyurethane polymers comprising diisocyanates and aliphatic hydrocarbon soft segments with a short-chain diol chain extender and a multifunctional amine and/or alcohol crosslinker to provide a polyurethane polymer with useful properties for the production of medical implant devices such as heart valves, are described. The polymers have an unexpected linear elastic region in a range from 5-100% and preferably between 10-35%. In some embodiments the polyurethanes are a thermally convertible gel formulation which may be converted to a liquid formulation by extended heating to render the polymer suitable for solvent processing techniques such as casting, spraying, spinning, etc. The invention also provides for living hinge polyurethane polymers which are thermally modifiable from a gel to a liquid and reaction injection moulded (RIM) polyurethanes with an enhanced flex life. 1. A partially crosslinked polyurethane polymer comprising methylene diphenyl diisocyanate (MDI) and a hydrogenated polybutadiene diol (HPBD) soft segment having a functionality of ˜1.9 to 2.2 and a number average molecular weight of ˜1000-3000 with a chain extender selected from one or more of a diol , a diamine and an alkanolamine; having a crosslinker.2. A polyurethane polymer as claimed in wherein the chain extender comprises a diol selected from either or both of a butane diol or other short chain diol.3. A polyurethane polymer as claimed in claim 1 , wherein the chain extender comprises a diol and either or both of a multifunctional alcohol [R—(OH)] and a multifunctional amine [R—(NH)] claim 1 , where n≧3.4. A polyurethane polymer as claimed in claim 1 , wherein the crosslinker is selected from either or both of triethanolamine (TEOA) and trimethylol propane (TMP) in the range of 3 to 15% of the polymer (based on diisocyanate equivalents).5. A polyurethane polymer as claimed in claim 1 , which has a linear elastic region in a range from 5-100%.6. The polyurethane polymer ...

AQUEOUS BASED POLYURETHANE/ACRYLATE HYBRID DISPERSIONS

Embodiments described herein provide a coating composition including an aqueous acrylic/polyurethane dispersion. The aqueous acrylic/polyurethane dispersion is produced from at least one isocyanate component, a polyol mixture, and at least one acrylate solvent. The polyol mixture includes a polyester polyol and at least two different oleo-based polyols. The coating composition exhibits improved chemical resistance without sacrificing other properties, such as hardness and abrasion resistance. 1. A coating composition comprising an aqueous acrylic/polyurethane dispersion , wherein the aqueous acrylic/polyurethane dispersion is produced from:at least one isocyanate component;a polyol mixture, the polyol mixture comprising at least two different oleo-based polyols; andat least one acrylate solvent.2. The coating composition of claim 1 , wherein one of the at least two oleo-based polyols comprises a hydroxyl functionalized oil.3. The coating composition of claim 1 , wherein one of the at least two oleo-based polyols comprises an oligomer derived from fatty acids.4. The coating composition of claim 3 , wherein the oligomer alcohol comprises a dimer diol or trimer triol.5. The coating composition of claim 4 , wherein the dimer diol or trimer triol is derived from fatty acids selected from the group consisting of short chain fatty acids claim 4 , medium chain fatty acids claim 4 , long chain fatty acids claim 4 , and combinations thereof.6. The coating composition of claim 1 , wherein one of the at least two oleo-based poloyols comprises a hydroxyl functionalized oil polyol and another of the at least two oleo-based polyols comprises a dimer diol derived from fatty acids.7. The coating composition of claim 6 , wherein the polyol mixture comprises from about 1 to about 90 wt % polyester polyol based on the weight of the polyol mixture; from about 1 to about 70 wt % hydroxyl functionalized oil polyol based on the weight of the polyol mixture; and from about 1 to about 70 wt ...

CARBOXYL-GROUP-CONTAINING AQUEOUS RESIN COMPOSITION AND METHOD FOR MANUFACTURING POLYCARBODIIMIDE COMPOUND

Disclosed is a carboxy group-containing aqueous resin composition containing a carboxy group-containing aqueous resin and a polycarbodiimide compound (X) represented by the following general formula (1): 2. The carboxy group-containing aqueous resin composition according to claim 1 , wherein the carboxy group-containing aqueous resin is an aqueous polyurethane resin claim 1 , an acrylic resin claim 1 , a polyester resin claim 1 , or a rubber-based latex resin.3. The carboxy group-containing aqueous resin composition according to claim 1 , wherein the carboxy group-containing aqueous resin is an aqueous polyurethane resin.4. The carboxy group-containing aqueous resin composition according to claim 1 , wherein the glycol compound is at least one selected from the group consisting of ethylene glycol claim 1 , propylene glycol claim 1 , 1 claim 1 ,4-butanediol claim 1 , diethylene glycol claim 1 , dipropylene glycol claim 1 , triethylene glycol claim 1 , tripropylene glycol claim 1 , polyethylene glycol claim 1 , and polypropylene glycol.5. The carboxy group-containing aqueous resin composition according to claim 1 , wherein the diisocyanate compound is dicyclohexylmethane-4 claim 1 ,4′-diisocyanate.6. The carboxy group-containing aqueous resin composition according to claim 1 , wherein the hydrophilic compound is at least one selected from the group consisting of the following general formulae (2) claim 1 , (3) claim 1 , (4) claim 1 , and (5):{'br': None, 'sup': 4', '5, 'sub': 2', 'p, 'RO—(CH—CHR—O)—H\u2003\u2003(2)'}{'sup': 4', '5, 'claim-text': {'br': None, 'sup': 6', '7, 'sub': '2', '(R)—N—R—OH\u2003\u2003(3)'}, 'wherein Ris an alkyl group having 1 to 4 carbon atoms; Ris a hydrogen atom or a methyl group; and p is an integer of 4 to 30,'}{'sup': 6', '7, 'claim-text': {'br': None, 'sup': 8', '9, 'sub': 2', '2, '(R)—N—R—NH\u2003\u2003(4)'}, 'wherein Ris an alkyl group having 1 to 6 carbon atoms, and Ris an alkylene group having 1 to 10 carbon atoms or a ...

Self-healing, self-cleaning omniphobic composition, related articles and related methods

The disclosure relates to a self-healing omniphobic composition including a self-healing omniphobic polymer with a crosslinked backbone. The crosslinked backbone includes a reaction product between a polyisocyanate, a functionalized omniphobic polymer reactive therewith, a reversible polyfunctional linker including a hindered secondary amino group and/or an aromatic hydroxy group, and one or more polymeric backbone components. The crosslinked backbone includes reversible urea or reversible urethane bonds between the reversible polyfunctional linker and the polyisocyanate, which in turn provide self-healing properties to the omni-phobic composition. The self-healing omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The omniphobic composition can be used as a coating on any of a variety of substrates to provide self-healing omniphobic properties to a surface of the substrate. Such self-healing omniphobic coatings can be scratch resistant, ink/paint resistant, and optically clear.

Hydroxyl-Functional Inherent Matting Waterborne Polyurethanes and High Performance Inherent Matting Coating Composed by the Same

The disclosure relates to a method for preparing a hydroxyl-functional inherent matting waterborne polyurethane and a high-performance inherent matting coating made of the same. The inherent matting waterborne polyurethane includes the following components in parts by weight: a polymer polyol 15-25 parts; an isocyanate monomer 5-15 parts; 2,2-dimethylol propionic acid or 2,2-dimethylol butyric acid 0.2-0.8 parts; a pH regulator 0.1-0.7 parts; a hydroxyalkyl ethylenediamine chain extender 0.5-3.0 parts; a dialkyl alcohol amine blocking agent 0.1-4.0 parts; a diaminosulphonate chain extender 0.2-1.5 parts; a catalyst 0.01-0.05 parts; an organic solvent 2-10 parts; deionized water 50-80 parts; a thickener 0.1-3 parts. In the post-chain extension stage of the waterborne polyurethane, through hydroxyalkyl ethylene diamine chain extension and dialkyl alcohol amine blocking, hydroxyl groups are introduced into the polymer molecular chain. 1. A hydroxyl-functional inherent matting waterborne polyurethane , comprising the following components:15-25 parts by weight of a polymer polyol;5-15 parts by weight of an isocyanate monomer;0.2-0.8 parts by weight of 2,2-dimethylol propionic acid or 2,2-dimethylol butyric acid;0.1-0.7 parts by weight of a pH regulator;0.5-3.0 parts by weight of a hydroxyalkyl ethylenediamine chain extender;0.1-4.0 parts by weight of a dialkyl alcohol amine blocking agent;0.2-1.5 parts by weight of a diaminosulphonate chain extender;0.01-0.05 parts by weight of a catalyst;2-10 parts by weight of an organic solvent;50-80 parts by weight of deionized water;0.1-3 parts by weight of a thickener;wherein, the polyurethane has a hydroxyl content of 0.5-2.5%, based on dry solids;the method for preparing the waterborne polyurethane includes the following steps:(a) adding the polymer polyol, isocyanate monomer, 2,2-dimethylol propionic acid or 2,2-dimethylol butyric acid, catalyst, and organic solvent to a reactor according to the above formula amount and reacting ...

Polyurethane urea water dispersion, matte coating material, and surface treatment agent

The present invention relates to a polyurethane urea water dispersion that is a reaction product of a polyol component containing a polymer polyol (A), a polysiloxane compound (S) having at least one active hydrogen-containing group, a compound (B) having at least one active hydrogen and a hydrophilic group in a molecule thereof, and a dihydric alcohol (C); a polyisocyanate (D); and a polyamine (E) having two primary amino groups and at least one secondary amino group, wherein the polyurethane urea water dispersion has an acid value of 1 to 16 mgKOH/g as expressed in terms of a solid component.

Polyurethane yarn, as well as fabric and swimwear using same

In order to provide a polyurethane yarn having exceptional performance in terms of resistance to chlorine embrittlement essentially without the use of zinc, which is a heavy metal, and having advantageous application particularly in swimwear; as well as a fabric and article of swimwear using the polyurethane yarn, the present invention is a polyurethane yarn characterized in containing a partially hindered phenol compound having at least one partially hindered hydroxyphenyl group and a molecular weight of 300 or more, and a synthetic carbonate comprising one metal selected from the group consisting of alkali metals and alkaline-earth metals. The polyurethane yarn and other fibers are combined to yield a fabric and article of swimwear.

AQUEOUS COATING COMPOSITION

The present invention relates to a radiation-curable aqueous coating composition comprising a polyurethane A comprising as building blocks at least: (a) a polyisocyanate(s) containing at least one cyclic group, (b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has 5 carbon atoms, and (c) a component(s) containing an isocyanate-reactive group(s), whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and optionally radiation-curable diluent; whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1; and whereby the ethylenically unsaturated bond concentration of the coating composition is in the range from 0.5 to 6 milliequivalents per g of polyurethane A and radiation-curable diluent. 1. A radiation-curable aqueous coating composition comprising (a) a polyisocyanate(s) containing at least one cyclic group,', '(b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has 5 carbon atoms, and', '(c) a component(s) containing an isocyanate-reactive group(s),', 'whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and', 'whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1; and, 'a polyurethane A comprising as building blocks at leastthe composition optionally further comprises radiation-curable diluent;whereby the ethylenically unsaturated bond concentration of the coating composition is in the range from 0.5 to 6 milliequivalents per g of polyurethane A and radiation-curable diluent.2. The aqueous coating composition according to claim 1 , wherein the weight ratio of (a) to (b) is from 60:40 to 95:5 claim 1 , preferably from to 65:35 to 90:10.3. The aqueous coating composition according to claim 1 , wherein ...

THIXOTROPIC RHEOLOGY MODIFYING AGENT COMPOSITIONS

Solvents that are suitable for use with polyurethane-polyurea based rheology modifying agents of the type which, in the past, have generally been formulated as solids or viscous liquids. The present solvents enable the rheology modifying agents to be prepared and formulated in a liquid or solution form more suited to prepare coating formulations that include polyurethane-polyurea based rheology modifying agents. The present solvents are N-alkyl substituted caprolactams, including N-methyl caprolactam, N-ethyl caprolactam, N-butyl caprolactam, and mixtures thereof, which are aprotic, non-toxic, have good solvency for polar groups such as those found in polyurethanes and polyureas, are thermally stable, and have high boiling points and low vapor pressure. 115-. (canceled)17. The composition of claim 16 , wherein the solvent is present in an amount between 20 wt. % and 95 wt. % of a total weight of the composition.18. The composition of claim 16 , wherein the solvent is present in an amount between 40 wt. % and 80 wt. % of a total weight of the composition.19. The composition of claim 16 , wherein the solvent further includes N-butyl caprolactam present in an amount ranging from 1 wt. % to 10 wt. % of the total or combined weight of the solvent.20. The composition of claim 16 , wherein the polyurethane-polyurea polymer is synthesized from: [{'br': None, 'sub': '2', 'O=C=N—R—N═C═O'}, {'sub': '2', 'where Ris an aliphatic, cycloaliphatic, aromatic, and/or alkyl substituted aromatic group; and'}], 'a diisocyanate having the following formula [{'br': None, 'sub': 2', '3', '2, 'HN—R—NH'}, {'sub': 3', '2', '12, 'where Ris C-Caliphatic straight chain or branched, cycloaliphatic, and/or alkyl substituted aromatic group.'}], 'a diamine having the following formula22. The method of claim 21 , wherein combining the isocyanate terminated urethane polymer the diamine claim 21 , the catalyst and the solvent comprises:mixing together the diamine, the catalyst, and the solvent to form ...

Translucent polyurethane or polyisocyanurate foams

The present invention relates to a process for producing translucent polyurethane and polyisocyanurate foams by reaction of a component A comprising A1 at least one polyol reactive with the component B; A2 optionally at least one amine; A3 water and optionally formic acid; A4 at least one foam stabilizer; A5 optionally auxiliary and/or additive substances; A6 optionally at least one flame retardant; A7 at least one catalyst; and a component B comprising B1 at least one aliphatic or cycloaliphatic polyisocyanate component or a combination thereof; and B2 optionally at least one hydrophilized isocyanate; and B3 less than 20 parts by weight of an aromatic polyisocyanate component, wherein the parts by weight of B3 are based on the sum of the parts by weight of B1 to B3 normalized to 100 parts by weight, characterized in that the reaction of the component A with the component B is carried out at an isocyanate index of at least 150, wherein the obtained translucent polyurethane and polyisocyanurate foams have a light transmission according to EN ISO 13468-2:2006 of at least 10% and a haze of at least 70%, determined according to ASTM D1003-13, in each case measured at a layer thickness of 20 mm. The present invention further relates to polyurethane and polyisocyanurate foams obtained by the process and to the use thereof as a construction element, as a wall element, as a floor element, in buildings, in vehicles or lamps.

SPRAYABLE POLYURETHANE/UREA ELASTOMER FOR AGRICULTURE

A process for preparing a polymeric membrane for materials used in crop production comprising: 1. A process for preparing a polymeric membrane for materials used in crop production comprising: {'br': None, 'sup': 1', '1', '2', '2, 'sub': n', 'q, 'A-[Y]-L-[Y]-A\u2003\u2003Formula I'}, 'a) providing an aqueous dispersion of a polyurethane or polyurethane-urea elastomer comprising segments formed from the copolymer segment of Formula I'}wherein{'sup': '1', 'Ais an end capping group;'}{'sup': '2', 'Ais hydrogen or an end capping group;'}{'sup': 1', '2', '1', '2, 'sub': n', 'q', 'n', 'q, 'each [Y]and [Y]is independently selected from a polyether macrodiol, polycarbonate macrodiol, polyester macrodiol, and wherein at least one of [Y]and [Y]is a polyester macrodiol;'}L is a divalent linking compound independently selected from urethane, urea, carbonate, ester, and phosphonate;n is an integer of 2 to 50;q is an integer of 2 to 50; andb) spraying the aqueous dispersion onto materials to be used in crop production to form a polymeric membrane on the materials.2. A process according to claim 1 , wherein [Y]and [Y]are each polyester macrodiols.3. A process according to or claim 1 , wherein the polyester macrodiol comprises an aliphatic polyester.4. A process according to any one of to claim 1 , wherein the polyester macrodiol comprises at least one polyester selected from the group consisting of polylactic acid claim 1 , poly(glycolic acid) claim 1 , polycaprolactone claim 1 , polyvalerolactone claim 1 , poly(hydroxyl valerate) claim 1 , poly(ethylene succinate) claim 1 , poly(butylene succinate) claim 1 , poly(butylene succinate adipate) claim 1 , poly(ethylene adipate) claim 1 , poly(para-dioxanone) and polydecalactone.5. A process according to any one of to claim 1 , wherein L is a urethane residue of a diisocyanate.6. A process according to any one of to claim 1 , wherein the polyurethane or polyurethane-urea elastomer is a product of reaction of the copolymer segment of ...

POLYURETHANE-BASED COMPOSITION

The present invention relates to a composition comprising: an—NCO component comprising: A) at least one polyurethane comprising at least two NCO end groups obtained by polyaddition reaction: of a composition comprising at least one diisocyanate, of a composition comprising at least one polyol, B) at least one polyisocyanate comprising at least three isocyanate NCO functions, selected from the group consisting of biurets, of isocyanurates, of adducts of diisocyanates and triols, and of mixtures thereof; an —OH component comprising: at least two polyols P1 having a number-average molecular weight of strictly less than 500 g/mol and at least one polyol P2 having a number-average molecular weight of strictly greater than 1000 g/mol, said composition comprising at least one rheology agent. 118-. (canceled)19. A composition comprising: [ of a composition comprising at least one diisocyanate; and', 'of a composition comprising at least one polyol; and, 'A. at least one polyurethane including at least two NCO end groups obtained by a polyaddition reaction, 'B. at least one polyisocyanate comprising at least three isocyanate —NCO functions selected from the group consisting of biurets, isocyanurates, adducts of diisocyanates and of triols, and mixtures thereof;, 'an —NCO component comprising [ at least one polyol P1 comprises at least three hydroxyl functions; and', 'at least one polyol P1 comprises at least two hydroxyl functions; and, 'at least two polyols P1 each having a number-average molecular mass strictly less than 500 g/mol, said polyols P1 being such that, 'at least one polyol P2 having a number-average molecular mass strictly greater than 1000 g/mol, and, 'an —OH component comprisingat least one rheological agent.20. The composition as claimed in claim 19 , wherein the —OH component comprises at least one rheological agent claim 19 , and the —NCO component comprises at least one rheological agent which may be identical to or different from that of the —OH ...

SUGAR ALCOHOL MICROCAPSULE, SLURRY, AND RESIN MOLDED ARTICLE

A sugar alcohol microcapsule obtained by mixing particles that include molten sugar alcohol and are dispersed in an oil phase with a material that reacts with the particles, and encapsulating the sugar alcohol. 1. A production method for a sugar alcohol microcapsule , comprising: obtaining a sugar alcohol microcapsule by mixing particles that include molten sugar alcohol and are dispersed in an oil phase with a material that reacts with the particles , and encapsulating the sugar alcohol.2. The production method according to claim 1 , wherein an amount of moisture included in the microcapsule is less than 1% by mass with respect to a total of the sugar alcohol microcapsule.3. The production method according to claim 1 , wherein the material that reacts with the particles is at least one selected from the group consisting of a cyanoacrylate compound claim 1 , a cyanate compound claim 1 , an isocyanate compound claim 1 , and a carboxylic halide.4. The production method according to claim 1 , wherein the particles further include at least one selected from the group consisting of an amine compound and a water-soluble epoxy compound.5. The production method according to claim 1 , wherein an average particle diameter of the sugar alcohol microcapsule is 100 μm or less.6. The production method according to claim 1 , wherein the particles are dispersed in the oil phase using an ultrasonic homogenizer. This application is a divisional application of U.S. application Ser. No. 15/118,816 filed Aug. 12, 2016, which is a 371 of International Application No. PCT/JP2015/053835, filed Feb. 12, 2015, which claims priority to JP 2014-026456, filed Feb. 14, 2014, the contents of each of which are incorporated herein by reference.The present invention relates to a sugar alcohol microcapsule, a slurry comprising the sugar alcohol microcapsule, and a resin molded article obtained by using the sugar alcohol microcapsule.A latent heat storage material using absorption of heat and ...

Sugar alcohol microcapsule, slurry, and resin molded article

A sugar alcohol microcapsule obtained by mixing particles that include molten sugar alcohol and are dispersed in an oil phase with a material that reacts with the particles, and encapsulating the sugar alcohol.

COATING COMPOSITION

This invention relates to a paint composition comprising (A) a binder component and (B) a rheology control agent, the binder component (A) comprising an alkoxysilyl-containing acrylic resin (A1) and the rheology control agent (B) comprising a reaction product of (b1) a polyisocyanate compound, (b2) a primary monoamine having a number average molecular weight of 300 or less, and (b3) a polyether amine having a number average molecular weight of more than 300 but less than 6000. 1. A paint composition comprising (A) a binder component and (B) a rheology control agent , the binder component (A) comprising an alkoxysilyl-containing acrylic resin (A1) and the rheology control agent (B) comprising a reaction product of (b1) a polyisocyanate compound , (b2) a primary monoamine having a number average molecular weight of 300 or less , and (b3) a polyether amine having a number average molecular weight of more than 300 but less than 6000.2. The paint composition according to claim 1 , wherein the alkoxysilyl-containing acrylic resin (A1) is a hydroxy- and alkoxysilyl-containing acrylic resin (A1′).3. The paint composition according to claim 1 , wherein the binder component (A) further comprises a crosslinking agent (A3).4. The paint composition according to claim 3 , wherein the crosslinking agent (A3) comprises at least one member selected from the group consisting of amino resin claim 3 , a polyisocyanate compound claim 3 , and a blocked polyisocyanate compound.5. The paint composition according to claim 3 , wherein the crosslinking agent (A3) comprises a polyisocyanate compound.6. The paint composition according to claim 1 , wherein the primary monoamine having a number average molecular weight of 300 or less (b2) comprises a benzene ring-containing primary monoamine.7. The paint composition according to claim 1 , wherein the polyether amine having a number average molecular weight of more than 300 but less than 6000 (b3) is a diamine.8. The paint composition according to ...

Non-hazardous water-based polyurethane dispersion

Water-based polyurethane dispersion methodology relating to a chain-extended polyurethane, characterized in that the polyurethane dispersion includes 2, 5, 7, 10-tetraoxaundecane. The water-based polyurethane dispersion is suitable as a non-hazardous water-based coating composition for coatings with a particularly good adhesion on plastic or rubber substrates. The solvent 2, 5, 7, 10-tetraoxaundecane contained therein imparts good film coalescing, good adhesive properties and high strength of the polyurethane dispersion.

UREA GROUP CONTAINING RHEOLOGY CONTROL ADDITIVE

The invention relates to a composition comprising: a) 10 to 60% by weight of one or more urea components having a number average molecular weight Mn above 350 g/mol, and b) 40 to 90% by weight of one or more carboxylic acid components according to formula (I): HO—R—COOH, wherein Rrepresents an organic group having 3 to 75 carbon atoms, and wherein the % by weight are calculated on the sum of components a) and b). 1. A composition comprising:10 to 60% by weight of one or more urea components having a number average molecular weight Mn above 350 g/mol, determined by gel permeation chromatography (eluent: solution of lithium bromide (content 5g/1) in dimethylacetamide, standard: polymethylmethacrylate, column temperature: 80° C.) according to DIN 55672 part 2 (year: 2008), and{'sup': '1', '#text': '40 to 90% by weight of one or more carboxylic acid components according to formula (I) HO—R—COOH,'}{'sup': '1', '#text': 'wherein Rrepresents an organic group having 3 to 75 carbon atoms,'}wherein % by weight is based on the total weight of the one or more urea components and the one or more carboxylic acid components.2. The composition according to claim 1 , wherein the one or more urea components comprises aromatic groups.3. The composition according to claim 1 , wherein the one or more urea components comprises molecules containing at least one urea group and at least one urethane group.4. The composition according to claim 1 , wherein the one or more urea components comprises one or more carboxylic acid groups.5. The composition according to claim 1 , wherein Rrepresents a hydrocarbyl group having 9 to 23 carbon atoms.6. The composition according to any one of the preceding claims claim 1 , wherein the composition further comprises one or more organic diluents.7. The composition according to claim 6 , wherein the composition further comprises one or more salts.8. The composition according to claim 7 , wherein the mixture of the one or more urea components claim 7 , the ...

Method for Providing a Side-Chain Dendrimer Vesicle

A method disclosed for making a side-chain dendrimer vesicle. The method includes the steps of: At first, there is provided a random copolymer with a narrow distribution of molecular weights by active polymerization and chemical modification. Then, chemical modification is executed to graft various generations of dendrimers to the random copolymer to provide a side-chain dendritic random copolymer with various generations. Two steps of emulsification are taken to induce macromolecular self-assembling of the side-chain dendritic random copolymer solution to form the macromolecular vesicle. The side-chain dendrimer includes C 10 ˜C 18 hydrophobic alkyl chains.

A POLYOL SYSTEM FOR PREPARING POLYURETHANE

The present application discloses a polyol system for preparing polyurethane comprising: i) at least one active chain extender having at least two groups that can react with an isocyanate, wherein at least one group that can react with an isocyanate is free primary —NH2 group; ii) at least one active chain extender having three groups that can react with an isocyanate, wherein at least one group that can react with an isocyanate is free primary —OH group, and iii) at least one polyether polyol starting from an amine. The polyol system according to the present disclosure is phase-stable without layering and capable of releasing mold quickly after reacting with an isocyanate to produce polyurethane. 1. A polyol system for preparing polyurethane comprising:{'sub': '2', 'i) at least one active chain extender having at least two groups that can react with an isocyanate, wherein at least one group of the at least two groups that can react with an isocyanate is a free primary —NHgroup;'}ii) at least one active chain extender having three groups that can react with an isocyanate, wherein at least one group of the three groups that can react with an isocyanate is a free primary —OH group; andiii) at least one polyether polyol starting from an amine.2. The polyol system according to claim 1 , wherein the polyol system further comprises a basic polyether polyol selected from polyether polyols with a hydroxyl value of 300 to 600 mg KOH/g.3. The polyol system according to claim 1 , wherein the polyol system further comprises one or more additives selected from the group consisting of: foaming agents claim 1 , foam stabilizers claim 1 , catalysts claim 1 , mold-release agents claim 1 , flame retardants claim 1 , color pastes claim 1 , fillers claim 1 , stabilizers claim 1 , and thixotropic agents.4. The polyol system according to claim 1 , wherein the at least one active chain extender having at least two groups that can react with an isocyanate is selected from the group ...

ETHERAMINES PREPARED FROM A MIXTURE OF TWO OR MORE MULTIFUNCTIONAL ALCOHOL INITIATORS, AND THEIR USE AS CURATIVES OR INTERMEDIATES FOR POLYMER SYNTHESIS

Implementations described herein generally relate to etheramine mixtures formed from a mixture of two or more multifunctional alcohol initiators, processes for the etheramine mixtures production, and its use as a curing agent or as a raw material in the synthesis of polymers. In one implementation, the process comprises mixing a polyol initiator having a melting point greater than a processing temperature and a polyol initiator having a melting point less than the processing temperature to form a polyol initiator mixture having a melting point less than the processing temperature, charging the polyol initiator mixture to an alkoxylation reaction zone, contacting the polyol initiator mixture with an alkylene oxide in the alkoxylation reaction zone to provide a mixture of alkoxylated precursor polyols and charging the mixture of alkoxylated precursor polyols to a reductive amination zone and reductively aminating the mixture of alkoxylated precursor polyols to form the etheramine mixture. 1. A composition comprising an etheramine mixture that comprises the reaction product of ammonia and a mixture of alkoxylated precursor polyols;wherein the reaction is conducted under reductive amination reaction conditions;wherein the mixture of alkoxylated polyols is the reaction product of a polyol initiator mixture having a melting point less than a processing temperature with an alkylene oxide; andwherein the polyol initiator mixture comprises a first polyol initiator having a melting point greater than the processing temperature and a second polyol initiator having a melting point less than the processing temperature.5. The composition of claim 1 , wherein the second polyol initiator is neopentyl glycol.6. The composition of claim 5 , wherein the second polyol initiator is selected from the group consisting of: 1 claim 5 ,4-cyclohexanedimethanol claim 5 , 1 claim 5 ,4-butanediol claim 5 , ethylene glycol and combinations thereof.7. The composition of claim 5 , wherein the ...

Printing ink composition for soft packaging laminate

Provided is a flexible package laminate print ink composition including a pigment, a binder resin, and an organic solvent. The binder resin includes polyurethane resin including a biomass polyurethane resin obtained by a reaction of a biopolyester polyol component and an organic diisocyanate component, and includes, at a terminal thereof, a primary or secondary amino group. The biopolyester polyol component includes a dicarboxylic acid, a certain amount of organic acid having three or more active hydrogen groups, each having a certain molecular weight, and diol. At least one of the dicarboxylic acid and the diol is plant-derived, and has NCO group/OH group=1.2 to 3.0. A content of the biomass polyurethane resin in the polyurethane resin is 5 mass % to 100 mass %.

PIGMENTED COATING COMPOSITIONS HAVING LOW SOLVENT CONTENT

A coating composition can include an aliphatic polyisocyanate and a polyaspartate combined at an equivalent ratio of from 0.9 to 1.8, the aliphatic polyisocyanate having an NCO % of from 6 wt % to 25 wt % based on ISO 11909:2007. The coating composition can also include a pigment at a pigment to binder ratio of from 0.05 to 1.3 and a drying agent in an amount of from 0.5 wt % to 5 wt % based on a total weight of the coating composition. The coating composition can have a total solvent content of less than or equal to 250 g/L. 1. A coating composition , comprising:an aliphatic polyisocyanate and a polyaspartate combined at an equivalent ratio of from 0.9 to 1.8, the aliphatic polyisocyanate having an NCO % of from 6 wt % to 25 wt % based on ISO 11909:2007;a pigment at a pigment to binder ratio of from 0.05 to 1.3; anda drying agent in an amount of from 0.5 wt % to 5 wt % based on a total weight of the coating composition,wherein the coating composition has a total solvent content of less than or equal to 250 g/L.2. The coating composition of claim 1 , wherein the aliphatic polyisocyanate comprises an HDI polyisocyanate claim 1 , a PDI polyisocyanate claim 1 , or a combination thereof.3. The coating composition of claim 1 , wherein the aliphatic polyisocyanate comprises a trimer claim 1 , an allophanate claim 1 , or a combination thereof.4. The coating composition of claim 1 , wherein the aliphatic polyisocyanate has a number average isocyanate functionality of from 2.3 to 3.7 based on gel permeation chromatography.5. The coating composition of claim 1 , wherein the aliphatic polyisocyanate has a weight average molecular weight of from 400 g/mol to 2500 g/mol based on gel permeation chromatography.6. The coating composition of claim 1 , wherein the pigment is present at a pigment to binder ratio of from 0.1 to 1.0.7. The coating composition of claim 1 , wherein the drying agent comprises a molecular sieve.8. The coating composition of claim 7 , wherein the molecular ...

TWO-PACK CURABLE URETHANE ADHESIVE

The present invention aims to provide a two-component curable urethane adhesive that is easy to handle while it is substantially solvent-free, having weak to strong adhesive properties, and being capable of forming a cured film having excellent physical properties. The present invention provides a two-component curable urethane adhesive containing: a main agent; and a curing agent, the main agent containing at least one of a hydroxy group-containing urethane prepolymer (P1) or a polyol component (A), the hydroxy group-containing urethane prepolymer (P1) being a reaction product between the polyol component (A) and an organic polyisocyanate component (B), the curing agent containing at least one of an isocyanate group-containing urethane prepolymer (P2) or an organic polyisocyanate component (B), the isocyanate group-containing urethane prepolymer (P2) being a reaction product between the polyol component (A) and the organic polyisocyanate component (B), wherein the two-component curable urethane adhesive satisfies the following properties (1) to (5): 3. A cured product of the two-component curable urethane adhesive according to .4. A urethane adhesive sheet comprising:{'claim-ref': {'@idref': 'CLM-00003', 'claim 3'}, 'the cured product of the two-component curable urethane adhesive according to .'}5. A cured product of the two-component curable urethane adhesive according to .6. A urethane adhesive sheet comprising:{'claim-ref': {'@idref': 'CLM-00005', 'claim 5'}, 'the cured product of the two-component curable urethane adhesive according to .'} The present invention relates to a two-component curable urethane adhesive.Adhesives, such as urethane adhesives, acrylic adhesives, silicone adhesives, rubber-based adhesives, and other like known adhesives, are used in a wide range of fields and applications including optical parts, vehicle parts, building materials, and medical use.Generally, urethane adhesives have low tack and tend not to have strong adhesive properties ...

SCALABLE MANUFACTURING METHOD OF PROPERTY-TAILORABLE POLYUREA FOAM

The scope of this invention is to disclose the method of foaming a superior impact mitigation material, namely semi-closed cell hybrid polyurea foam, using scalable manufacturing process that is geometry-independent and allows for greater control of the resulting foam properties. while the process discussed herein, can be easily used to make complex geometries (e.g., padding foam for helmets, outsoles for walking and running shoes, body armors or other protection applications. 1. A process of making a hybrid polyurea foam having a semi-closed cell microstructure , comprising the steps in a reaction having a ratio of 4:1 by mass of an amine compound to an isocyanate compound , and having a ratio of 8:3 by mass of the amine compound and the isocyanate compound to deionized water:STEP 1. Mixing deionized water and an amine compound in a mixing container at high speed;STEP 2. With the mixer turned off, adding the isocyanate compound to the mixing container, then mixing at high speed the solution of isocyanate-water-amine to a foam; and,STEP 3: Letting the solution sit after mixing, allowing time for the isocyanate-water-amine-reaction to occur, and then, after draining excess water from the mixing container, pour the mixture into a mold.2. The process of claim wherein the isocyanate has the formula{'br': None, 'sub': '1', 'OCN—R—NCO,'}{'sub': '1', 'where Ris substituted or unsubstituted alkyl or aryl having 3-10 carbons; and'} {'br': None, 'sub': 2', '2', '2, 'HN—R—NH'}, 'the polyamine has the formula'}{'sub': '2', 'where Ris substituted or unsubstituted alkyl or aryl having 3-10 carbons.'}3. The hybrid polyurea foam of claim 1 , wherein the hybrid polyurea foam is configured in a complex geometry or shape selected from the group consisting of: padding foam for helmets claim 1 , outsoles for walking shoes claim 1 , outsoles for running shoes claim 1 , and padding foam for body armor.4. The process of claim 1 , wherein the isocyanate is selected from the group consisting ...

ELASTOMERIC COMPOSITIONS AND METHODS OF USE

Compositions comprising a combination of low molecular weight prepolymers and high molecular weight prepolymers are disclosed. The compositions are used to fabricate elastomeric articles having high tensile strength and high tensile elongation. 127-. (canceled)28. A coreactive composition comprising:{'claim-text': ['an isocyanate-functional polyether prepolymer; and', 'a number average molecular weight from 500 Da to 6,000 Da;'], '#text': '(a) from 10 wt % to 80 wt % of a first elastomeric prepolymer, wherein the first elastomeric prepolymer comprises:'}{'claim-text': ['an amine-functional polyether prepolymer; and', 'a number average molecular weight from 500 Da to 6,000 Da; and'], '#text': '(b) from 10 wt % to 80 wt % of a second elastomeric prepolymer, wherein the second elastomeric prepolymer comprises:'}{'claim-text': ['a silanol-functional polydimethylsiloxane prepolymer; and', 'a number average molecular weight from 50,000 Da to 500,000 Da, wherein,'], '#text': '(c) from 5 wt % to 25 wt % of a third elastomeric prepolymer, wherein the third prepolymer comprises:'}the number average molecular weight is determined by gel permeation chromatography; andwt % is based on the total weight of the first elastomeric prepolymer, the second elastomeric prepolymer, and the third elastomeric prepolymer in the coreactive composition.29. The coreactive composition of claim 28 , wherein the coreactive composition comprises:from 80 mol % to 98 mol % of the combination of the first elastomeric prepolymer and the second elastomeric prepolymer; andfrom 2 mol % to 20 mol % of the third elastomeric prepolymer, wherein,mol % is based on the total moles of the first elastomeric prepolymer, the second elastomeric prepolymer, and the third elastomeric prepolymer in the coreactive composition.30. The coreactive composition of claim 28 , wherein the third elastomeric prepolymer is not reactive with the first elastomeric prepolymer and with the second elastomeric prepolymer.31. The ...

POLYMERS WITH ENGINEERED SEGMENT MOLECULAR WEIGHT

Polymer compositions and processes for extended glycols and under-capping glycols for production of polymer compositions with engineered hard and soft segment molecular weights are provided. Also provided are fibers and articles of manufacture such as fabrics and garments produced from these polymer compositions and processes. 1. A polymer composition comprising soft and hard segmented polyurethanes or polyurethaneureas with an HSWT % less than 7.8% and a segment molecular weight ratio (SSMW/HSMW) larger than 12.0.2. A fiber comprising the polymer composition of .3. (canceled)4. The article of manufacture of which is a fabric or a garment.5. A spandex fiber comprising soft and hard segmented polyurethanes or polyurethaneureas that exhibits properties of low set claim 1 , high elongation and/or flat stretch/recovery produced by an under-capping and/or extended glycol process.6. The spandex fiber of having a soft segment melting point less than 6° Celsius.7. The spandex fiber of where the soft segment molecular weight to hard segment molecular weight ratio is larger than 12.0 and the hard segment concentration is less than 7.8% by weight of the polymer.8. The spandex fiber of where the glycol is polytetramethylene ether glycol (PTMEG).9. (canceled)10. A process for producing an isocyanate-terminated prepolymer by glycol extension for use in forming a segmented polyurethane or polyurethaneurea polymer with engineered soft segment and hard segment molecular weights claim 5 , said method comprising:(a) reacting an excess amount of a lower molecular weight glycol with a diisocyanate to form a hydroxy-terminated glycol, or extended glycol; and(b) reacting the formed hydroxy-terminated glycol, or extended glycol with an excess amount of a diisocyanate to produce an isocyanate-terminated prepolymer or capped glycol.11. The process of wherein the molecular weight of the lower molecular weight glycol is less than 2500.12. The process of wherein the diisocyanate used in step (a ...

PROCESS FOR PREPARING THERMOPLASTIC ELASTOMER FOAM AND FOAMED ARTICLE

A thermoplastic elastomer foam is made by incorporating a gaseous or supercritical blowing agent under pressure into a molten thermoplastic elastomer comprising polymeric polymeric crystalline domains, then releasing the pressure to foam the thermoplastic elastomer. 128.-. (canceled)29. A polymeric mixture made by a method comprising:providing a polymer melt comprising a molten thermoplastic elastomer and a molten semi-crystalline polymer that is miscible in the molten thermoplastic elastomer; andcooling the polymer melt to a temperature below a crystallization temperature, wherein the crystallization temperature is a temperature at which regions of the semi-crystalline polymer become immiscible with the thermoplastic elastomer and phase-separate from the thermoplastic elastomer, thereby forming a polymeric mixture comprising the regions of the semi-crystalline polymer distributed in the thermoplastic elastomer;wherein the semi-crystalline polymer comprises from 0.1 weight percent to 20 weight percent of total polymer weight of the polymeric mixture; andwherein the semi-crystalline polymer comprises a polymer chosen from nylon 11, nylon 12, or a copolymer of ethylene with at least one vinyl monomer.30. The polymeric mixture of claim 29 , wherein the thermoplastic elastomer comprises a thermoplastic polyurethane elastomer.31. The polymeric mixture of claim 30 , wherein polymeric diol segments of the thermoplastic polyurethane elastomer comprise from 35 weight percent to 65 weight percent of the thermoplastic polyurethane polymer.32. The polymeric mixture of claim 30 , wherein the thermoplastic polyurethane elastomer is chosen from a thermoplastic polyester-polyurethane elastomer claim 30 , a thermoplastic polyether-polyurethane elastomer claim 30 , a thermoplastic polycarbonate-polyurethane elastomer claim 30 , or a thermoplastic polyurethane elastomer comprising polyolefinic segments.33. The polymeric mixture of claim 29 , wherein the thermoplastic elastomer ...

DYNAMIC UREA BONDS WITH FAST HYDROLYTIC KINETICS FOR POLYMERS

The present invention relates to polymers having dynamic urea bonds and more specifically to polymers having hindered urea bonds (HUBs) with fast hydrolytic kinetics. These urea bonds are aryl-substituted, i.e. aromatic-substituted hindered urea bonds, that demonstrate pH independent hydrolytic kinetics, such that they consistently and rapidly hydrolyze in water from pH 2 to 11. The urea bond dissociation for these materials is generally such that k>h, which is two orders of magnitudes faster than for aliphatic hindered ureas. The present invention also relates to hydrolytically reversible or degradable linear, branched or network polymers incorporating these HUBs and to precursors for incorporation of these HUBs into these polymers. The technology can be applied to and integrated into a variety of polymers, such as polyureas, polyurethanes, polyesters, polyamides, polycarbonates, polyamines, and polysaccharides to make linear, branched, and cross-linked polymers. Polymers incorporating these HUBs can be used in a wide variety of applications including for example, environmentally compatible packaging materials and biomedical applications, such as drug delivery systems and tissue engineering. In other embodiments, the HUBs can be used in self-healing polymers. 2. A hydrolysable polymer according to wherein R claim 1 , R claim 1 , R claim 1 , are each methyl.3. A hydrolysable polymer according to wherein Ris selected from H claim 2 , methyl claim 2 , and ethyl.4. A hydrolysable polymer according to wherein Ris selected from H and methyl.5. A hydrolysable polymer according to wherein Ris H.6. A hydrolysable polymer according to wherein Aris selected from phenyl claim 1 , naphthyl claim 1 , furyl claim 1 , benzofuryl claim 1 , oxazolyl claim 1 , isoxazolyl claim 1 , oxadiazolyl claim 1 , benzoxazolyl claim 1 , benzoxadiazolyl claim 1 , pyrrolyl claim 1 , pyrazolyl claim 1 , imidazolyl claim 1 , triazolyl claim 1 , tetrazolyl claim 1 , pyridyl claim 1 , pyrimidyl claim ...

Process for preparing solvent-free aqueous polyurethane dispersion

A process for preparing aqueous polyurethane solvent-free uses an acrylate monomer instead of acetone to dilute a prepared polyurethane prepolymer, not only the monomer can be added without cooling, but also the prepolymer has good dispersal and is favorable to subsequent dispersion in water while preventing coagulation and acetone residual; additionally, the invented process let the aqueous polyurethane become modified by acrylic grafting may improve the aqueous polyurethane being excellent in terms of mechanical strength, heat resistance and water resistance.

AQUEOUS DISPERSION OF A POLYURETHANE COMPRISING A DICARBOXYLATE WITH ONE OR TWO SECONDARY AMINO GROUP

An aqueous dispersion of a polyurethane wherein the polyurethane is obtained by reacting di- or polyfunctional cyanates, diols, a dicarboxylate with one or two secondary amino groups and optionally further compounds. 111.-. (canceled)13. The synthesis according to wherein the saponification is performed by reacting the compound of Formula III with a base.14. The synthesis according to wherein the base is an alkali hydroxide.15. The synthesis according wherein R represents a hydrocarbon group with 2 to 16 carbon atoms.16. The synthesis according wherein R represents a hydrocarbon group with 2 to 10 carbon atoms.17. The synthesis according wherein R is a non-aromatic hydrocarbon group.18. The synthesis according wherein the compound Y) is diaminoethane claim 12 , diaminopropane claim 12 , diaminobutane claim 12 , diaminohexane claim 12 , amino-3-aminomethyl-3 claim 12 ,5 claim 12 ,5-trimethylcyclohexane claim 12 , 4 claim 12 ,4′-diaminodicyclohexylmethane claim 12 , 4 claim 12 ,4′-diamino-3 claim 12 ,3′-dimethyldicyclohexylmethane claim 12 , 1 claim 12 ,4-diaminocyclohexane claim 12 , or hydrazine.19. The synthesis according wherein K represents a metal cation or a quaternary ammonium cation.20. The synthesis according wherein K is the cation of an alkali metal.21. The synthesis according wherein the compound Y) is used in excess.22. The synthesis according wherein by the saponification the nitrile groups become carboxylate groups. The present invention relates to an aqueous dispersion of a polyurethane wherein the polyurethane is obtained by reacting di- or polyfunctional isocyanates, diols, a dicarboxylate with one or two secondary amino group and optionally further compounds.Aqueous polyurethane dispersions are often produced industrially using the process known as the “prepolymer mixing technique”. In that process polyurethanes are first prepared in an organic solvent and the resulting polyurethane solution is subsequently dispersed in water to obtain an aqueous ...

Aqueous dispersions of polyurethane resins based on rosin

The invention relates to rosin-based polyurethane resins derived from hydroxylated fatty polyesters modified with rosin, where the polyesters are bio-based, The invention also relates to aqueous dispersions of these resins, and the use of these resins in aqueous coatings.

Flame retardant prepolymer composition, flame retardant polymer composition, and their manufacturing methods and uses

A flame retardant prepolymer composition for use in a flame retardant polymer includes at least one isocyanate-terminated polyurethane prepolymer containing at least one phosphonate oligomer, phosphonate monomer or a mixture thereof in an amount of from 5 to 75 parts by weight, referring to the total amount of the at least one isocyanate-terminated polyurethane prepolymer. The at least one phosphonate oligomer, phosphonate monomer or a mixture thereof contains units according to the following structural formula (I) of the description in which n is an integer from 1 to 20, R is a C1-20 alkyl, C2-20 alkene, C2-20 alkyne, C3-20 cycloalkyl, or C6-20 aryl, and R2 is an aliphatic and/or aromatic group, wherein a NCO value is in a range between approximately 2% to approximately 10% obtained by titration against a dibutylamine/tolulene solution as per ISO 14896: 2009-07 Method A.

Hybrid anionic, nonionic water-based polyurethane-polyurea

An embodiment of the invention provides an anionic/non-ionic water based polymer comprising polyurethane and polyurea. The polymer is approximately 30 to 40 weight percent non-volatile and has a viscosity of between approximately 1400 and 1500 cps. Also provided is a method for producing an anion/non-ionic water based polyurethane/polyurea polymer, the method comprising heating dimethylolpropionic acid; combining the dimethylolproprionic acid with heated PEG to create a slurry; adding isophorone diisocyanate (IPDI) to the slurry to create a mixture; and heating the mixture in the presence of a catalyst. The prepolymer is then salted out after catalyst is added and reaction complete. This salted prepolymer is then added to ethylene diamine in water to chain extend and promote water solubility. Also provided is a film comprising the polymer.

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND USE THEREOF

Provided is a polymerizable composition for an optical material including (A) an amine having two or more secondary amino groups, (B) an isocyanate having two or more isocyanato groups, and (C) a thiol having three or more mercapto groups, in which the ratio (a/b) of the molar number a of amino groups in the amine (A) with respect to the molar number b of isocyanato groups in the isocyanate (B) is in the range of 0.10 to 0.60. 1. A polymerizable composition for an optical material , comprising:(A) an amine having two or more secondary amino groups;(B) an isocyanate having two or more isocyanato groups; and(C) a thiol having three or more mercapto groups,wherein the ratio (a/b) of the molar number a of amino groups in the amine (A) with respect to the molar number b of isocyanato groups in the isocyanate (B) is in the range of 0.10 to 0.60.2. The polymerizable composition for an optical material according to claim 1 , wherein the amine (A) is comprised of one or more compounds selected from a secondary aliphatic amine and a secondary alicyclic amine.3. The polymerizable composition for an optical material according to claim 1 , wherein the amine (A) has two or more secondary amino groups represented by the formula: —NHR claim 1 , and two or more R's may be the same or different from each other and are selected from an isopropyl group claim 1 , a 1 claim 1 ,2 claim 1 ,2-trimethylpropyl group claim 1 , a tert-butyl group claim 1 , a sec-butyl group claim 1 , and a 1 claim 1 ,3-dimethylbutyl group.4. The polymerizable composition for an optical material according to claim 1 , wherein the molecular weight of the amine (A) is 600 or less.5. The polymerizable composition for an optical material according to claim 1 , wherein the amine (A) is comprised of one or more compounds selected from N claim 1 ,N′-di-tert-butyl-ethylenediamine claim 1 , N claim 1 ,N′-di(1 claim 1 ,2 claim 1 ,2-trimethylpropyl)-1 claim 1 ,6-hexamethylenediamine claim 1 , N claim 1 ,N′-di-isopropyl-m- ...

Electrophotographic member, process cartridge, and electrophotographic image forming apparatus

An electrophotographic member includes an electro-conductive substrate, and an elastic layer as a surface layer, the elastic layer constituted by a single-layer, wherein the elastic layer includes a first resin, a second resin and an anion, the first resin is a crosslinked urethane resin, and the crosslinked urethane resin is a resin having a specific cationic structure in the molecule, the second resin is at least one of a crosslinked acrylic resin having an ether bond and a crosslinked epoxy resin having an ether bond, and in a first area of the elastic layer, the first are being from an outer surface of the elastic layer to a depth of 0.1 μm, the first resin and the second resin form an interpenetrating polymer network structure.

Curable Photochromic Compositions

A curable photochromic composition can include: (a) a first component having a first compound with at least two active hydrogen-functional groups and an active hydrogen-functional group equivalent weight of at least 1000; (b) a second component having at least one of a polyisocyanate and a blocked polyisocyanate; and (c) at least one photochromic compound. The ratio of total isocyanate and blocked isocyanate group equivalents of the second component to total active hydrogen-functional group equivalents is at least 4:1. 1. A curable photochromic composition comprising:(a) a first component comprising a first compound having at least two active hydrogen-functional groups and an active hydrogen-functional group equivalent weight of at least 1000;(b) a second component comprising at least one of a polyisocyanate and a blocked polyisocyanate; and(c) at least one photochromic compound,wherein the ratio of total isocyanate and blocked isocyanate group equivalents of the second component to total active hydrogen-functional group equivalents is at least 4:1.2. The curable photochromic composition of claim 1 , further comprising:(d) a third component comprising a second compound having three or more active hydrogen-functional groups and an active hydrogen-functional group equivalent weight of less than or equal to 500.3. The curable photochromic composition of claim 1 , wherein the ratio of total isocyanate and blocked isocyanate group equivalents of the second component to total active hydrogen-functional group equivalents is at least 5:1.4. The curable photochromic composition of claim 1 , wherein the ratio of total isocyanate and blocked isocyanate group equivalents of the second component to total active hydrogen-functional group equivalents is up to 50:1.5. The curable photochromic composition of claim 1 , wherein the polyisocyanate of the second component (b) is selected from a polyureadiisocyanate claim 1 , a blocked polyureadiisocyanate claim 1 , a ...

Multilayer Coatings and Processes for the Multilayer Coating of Substrates

The present invention relates to multilayer coatings of an optionally pre-coated substrate and processes for the multilayer coating of substrates. The multilayer coatings comprise a base coat layer of a water-based colour- and/or special effect-imparting base coat composition disposed on the optionally pre-coated substrate. The multilayer coatings further comprise a clear coat layer of a transparent clear coat composition disposed on the base coat layer. The water-based colour- and/or special effect-imparting base coat composition is a water-based coating composition comprising A) at least one water-dilutable polyurethane binder, B) optionally at least one curing agent, and C) at least one pigment. The at least one water-dilutable polyurethane binder is based on at least one polyhydroxyl compound, said polyhydroxyl compound comprises at least 50% by weight of at least one polycarbonate polyol, which is liquid at 20° C., the % by weight are based on the total amount of the polyhydroxyl compound.

PROCESS FOR PREPARING UREA URETHANE POLYMER

The presently claimed invention relates to a process for preparing urea urethane polymer, liquid compositions comprising the urea urethane polymer and the use of the urea urethane polymer as a thickening and thixotropic agent for water based and solvent based paint and coating formulations, lacquer, varnish, paper coating, wood coating, adhesive, ink, cosmetic formulation, detergent formulation, textile and drilling muds plaster formulations, PVC plastisol and cement formulations. 1: A process for preparing a urea urethane , the process comprising:i) introducing toluene diisocyanate into a reactor; {'br': None, 'R—OH\u2003\u2003(I),'}, 'ii) adding at least one monohydroxyl compound of formula (I)'}{'sub': m', '2m+1', 'n', '2', 'x', '2', 'x', 'm', '2m+1', 'v', '2v', 'x', 'm', '2m+1', 'n', '2n', 'x-1', 'y', '2y', 'x, 'wherein R is linear or branched alkyl comprising 4 to 22 carbon atoms, linear or branched alkenyl comprising 4 to 22 carbon atoms, cycloalkyl comprising 6 to 12 carbon atoms, aralkyl comprising 7 to 12 carbon atoms, a radical of formula CH(O—CH)—, a radical of formula H(O—CH)—, a radical of formula CH[O—C(═O)—CH]—, or a radical of formula CH(O—CH)[O—C(═O)—CH]—, wherein is an integer from 1 to 22, n is an integer from 2 to 4, x is an integer from 1 to 15 and v is an integer from 4 to 6,'}to obtain at least one monoisocyanate adduct;whereby a molar ratio of the at least one monohydroxyl compound of formula (I) to the toluene diisocyanate is in a range of >1.0:1.0 to ≤1.5:1.0;iii) preparing a pre-mix by mixing at least one diamine, at least one polar aprotic solvent, and at least one lithium salt; andiv) feeding the pre-mix obtained in iii) into the reactor to react with the at least one monoisocyanate adduct obtained in ii), to obtain the urea urethane.2: The process according to claim 1 , wherein the toluene diisocyanate is either 2 claim 1 , 4-toluene diisocyanate or an isomeric mixture of 2 claim 1 , 4-toluene diisocyanate and 2 claim 1 , 6-toluene ...

Mechanical Reticulation Of Polymeric-Based Closed Cell Foams

Polymeric based closed cell foams, such as shape memory polymer foams, contain bubbles. Making these bubbles continuous is called reticulation. Disclosed are embodiments of a device and method to controllably reticulate polymer-based closed cell foams by puncturing the membranes of these polymer-based closed cell foams. 1. A method comprising:coupling a polymeric-based closed cell foam to a vibrator, wherein the foam includes: (a)(i) first and second cells that share a ring of struts, the ring of struts providing structural support for the first and second cells, and (a)(ii) a membrane directly contacting the ring of struts;coupling an array of needles to the foam;vibrating the foam with the vibrator;in response to vibrating the foam, (b)(i) contacting at least one of the needles against at least one of the struts, (b)(ii) decoupling the at least one of the needles from the at least one of the struts and then coupling the at least one of the needles to the membrane, and (b)(iii) puncturing the membrane with the at least one of the needles and then puncturing additional membranes, also included in the foam, with the at least one of the needles to form a contiguous path configured to allow fluid to flow through the punctured membranes.2. The method of comprising:coupling an additional polymeric-based closed cell foam to the vibrator, wherein the additional foam includes: (a)(i) additional first and second cells that share an additional ring of struts, the additional ring of struts providing structural support for the additional first and second cells, and (a)(ii) an additional membrane directly contacting the additional ring of struts;coupling an additional array of needles to the additional foam;vibrating the additional foam with the vibrator;in response to vibrating the additional foam, (b)(i) contacting at least one of the additional needles against at least one of the additional struts, (b)(ii) decoupling the at least one of the additional needles from the at ...

METHOD FOR ELIMINATING RADIOACTIVE IODINE AND HYDROPHILIC RESIN FOR ELIMINATING RADIOACTIVE IODINE

The present invention is a method for eliminating radioactive iodine using a hydrophilic resin that adsorbs radioactive iodine, wherein the hydrophilic resin is at least one selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin and has a hydrophilic segment and, in the principal chain and/or a side chain in the structure thereof, has a tertiary amino group or has a tertiary amino group and polysiloxane segment. By means of the present invention, a novel method for eliminating radioactive iodine is provided that is simple and low-cost, furthermore does not require an energy source such as electricity, moreover can take in and stably immobilize the eliminated radioactive iodine within a solid, and is capable of reducing the volume of radioactive waste as necessary. 1. A method for eliminating radioactive iodine using a hydrophilic resin that adsorbs radioactive iodine in liquid and/or a solid body , comprising the steps of:providing a hydrophilic resin selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin, wherein the hydrophilic resin has a hydrophilic segment, wherein a structure of the hydrophilics resin has a principal chain and a side chain, and wherein a tertiary a amino group-containing segment is located in said principal chain and/or said side chain; andcontacting the liquid and/or solid body with the hydrophilic resin adsorb radioactive iodine from the liquid and/or solid body in the hydrophilic resin.2. The method for eliminating radioactive iodine according to claim 1 , wherein the hydrophilic segment is a polyethylene oxide segment.3. The method for eliminating radioactive iodine according to claim 1 , wherein the hydrophilic resin is a resin formed from claim 1 , as a part of a raw material claim 1 , a polyol having at least one tertiary amino group or a polyamine ...

POLYESTER POLYOL, POLYOL PREPARATION FOR LAMINATING ADHESIVE AGENT, RESIN COMPOSITION, CURABLE RESIN COMPOSITION, ADHESIVE AGENT FOR LAMINATING USE, AND BACK SHEET FOR SOLAR CELL

Provided are a polyester polyol which exhibits a high adhesion strength after being cured in a case of being used as a main agent for an adhesive for lamination, an excellent temporal stability in which the adhesion strength is not deteriorated in a heat and moisture resistance test, and an excellent appearance after being subjected to a lamination processing, a resin composition using the same, a two-part adhesive for lamination which contains the resin composition, and a back sheet for a solar cell. Specifically, as a main agent for the two-part adhesive for lamination, a polyester polyol which has a resin structure obtained by reacting a branched alkylene diol, a long-chain aliphatic dicarboxylic acid having 8 to 20 carbon atoms, and an aromatic tricarboxylic acid, and has a weight average molecular weight (Mw) of 10,000 to 100,000 and a molecular weight distribution (Mw/Mn) of 3.0 to 4.7 is used. 15-. (canceled)6. The resin composition comprising , as essential components:the polyester polyol (A);the polyfunctional epoxy compound (B); anda hydroxyl group-containing aliphatic polycarbonate (C),wherein the polyester polyol (A) has a resin structure obtained by reacting a branched alkylene diol, a long-chain aliphatic dicarboxylic acid having 8 to 20 carbon atoms and an aromatic tricarboxylic acid, and which has a weight average molecular weight (Mw) of 10,000 to 100,000 and a molecular weight distribution (Mw/Mn) of 3.0 to 4.7.79-. (canceled)10. The resin composition according to claim 6 ,wherein the polyester polyol (A) is obtained by further using an aromatic dicarboxylic acid as a raw material component, in addition to the branched alkylene diol, the long-chain aliphatic dicarboxylic acid having 8 to 20 carbon atoms and the aromatic tricarboxylic acid, to perform the reaction.11. The resin composition according to claim 6 ,wherein the polyester polyol (A) has a hydroxyl value of 2 to 30 mgKOH/g. The present invention relates to a back sheet for a solar cell ...

ADDITIVE COMPOSITION AND METHOD

An additive comprising an active; the interfacial polymerization reaction product of a (poly)isocyanate and a polyamine; a copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; wherein at least a portion of the maleic anhydride-based repeat units are neutralized. A method of preparing an additive comprising providing an oil phase comprising an active, a solvent, a (poly)isocyanate; providing an aqueous phase comprising water and an emulsifier; mixing the oil phase and the aqueous phase to provide an emulsion; providing a polyamine to the emulsion; providing an aqueous dispersion or solution comprising a copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; wherein at least a portion of the maleic anhydride-based repeat units are neutralized; and cofeeding the emulsion and the aqueous dispersion or solution to a spray dryer. 1. An additive comprising:an active;the interfacial polymerization reaction product of a (poly)isocyanate and a polyamine; anda copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; and wherein at least a portion of the maleic anhydride-based repeat units are neutralized.2. The additive of claim 1 , wherein the (poly)isocyanate is selected from the group consisting of toluene diisocyanate claim 1 , 4 claim 1 ,4′-diphenylmethane diisocyanate claim 1 , polymethylene polyphenyl isocyanate claim 1 , isophorone diisocyanate claim 1 , 1 claim 1 ,4-diisocyanatobutane claim 1 , 1 claim 1 , 4-phenylene diisocyanate claim 1 , 1 claim 1 ,3-phenylene diisocyanate claim 1 , hexamethylene diisocyanate claim 1 , 1 claim 1 ,3-bis(isocyanatomethyl)benzene claim 1 , 1 claim 1 ,8-diisocyanatooctane claim 1 , 4-4′-methylenebis(phenyl isocyanate) claim 1 , and 4 claim 1 ,4′methylenebis(cyclohexyl isocyanate).3. The additive of claim 1 , wherein the polyamine is a water-soluble ...

DEGRADABLE POLYURETHANES AND COMPOSITES THEREOF

Among others, the present invention provides isocyanate resin compositions which include an isocyanate compound containing two or more isocyanate functional groups; a chain extender comprising a degradable diamine and optionally a dihydric alcohol, a polyether diol, a polyester diol, a diamine, a dimercaptan, or a bisphenol; and a cross-linker comprising a degradable polyamine and optionally a trifunctional, tetrafunctional or polyfunctional polyhydric alcohol, polyether polyol, polyester polyol, polyamine, polymercaptan, or polyphenol. 2. The isocyanate resin composition of claim 1 , wherein the isocyanate compound comprises m-phenylene diisocyanate claim 1 , 1 claim 1 ,4-phenylene diisocyanate claim 1 , 2 claim 1 ,4-toluene diisocyanate claim 1 , 2 claim 1 ,6-toluene diisocyanate claim 1 , 1 claim 1 ,6-hexamethylene diisocyanate claim 1 , isophorone diisocyanate claim 1 , tetramethylxylene diisocyanate claim 1 , tetramethylene diisocyanate claim 1 , cyclohexane 1 claim 1 ,4-diisocyanate claim 1 , hexahydrotoluene diisocyanate claim 1 , 1 claim 1 ,5-naphthalene diisocyanate claim 1 , 1-methoxyphenyl-2 claim 1 ,4-diisocyanate claim 1 , 2 claim 1 ,2′-diphenylmethane diisocyanate claim 1 , 2 claim 1 ,4′-diphenylmethane diisocyanate claim 1 , 4 claim 1 ,4′-diphenylmethane diisocyanate claim 1 , 1-methoxyphenyl-2 claim 1 ,4-diisocyanate claim 1 , 4 claim 1 ,4′-biphenylene diisocyanate claim 1 , 3 claim 1 ,3′-dimethoxy-4 claim 1 ,4′-diisocyanate claim 1 , 3 claim 1 ,3′-dimethyldiphenylmethane-4 claim 1 ,4′-diisocyanate claim 1 , 4 claim 1 ,4′ claim 1 ,4″-triphenylmethane triisocyanate claim 1 , toluene 2 claim 1 ,4 claim 1 ,6-triisocyanate claim 1 , 4 claim 1 ,4′-dimethyldiphenylmethane 2 claim 1 ,2′-5 claim 1 ,5′-tetraisocyanate claim 1 , polymethylene polyphenylene polyisocyanate claim 1 , or an isomer thereof.5. A degradable three-dimensional reticulated polyurethane matrix 1 , wherein the polyurethane matrix is obtained by curing an isocyanate resin composition of ...

AQUEOUS POLYURETHANE - VINYL POLYMER HYBRID DISPERSIONS

The invention relates to aqueous polyurethane-vinyl polymer hybrid dispersions comprising, as building blocks hydrophobically modified hydroxy-functional polyesters A, acids B that have further groups which react with isocyanates under formation of urethanes, ureas, or thiourethanes, compounds G having only one hydroxyl group, and one or more tertiary amino groups, olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation, olefinically unsaturated monomers H1 having at least one polymerisable ethylenic unsaturation and no further functional group which reacts with an isocyanate group, and multifunctional isocyanates I having at least two isocyanate groups per molecule, to a process of their preparation, and to a method of use thereof. 1. Aqueous polyurethane-vinyl polymer hybrid dispersions comprising , as building blocks , hydrophobically modified hydroxy-functional polyesters A , acids B that have further groups which react with isocyanates under formation of urethanes , ureas , or thiourethanes , optionally , hydroxy-functional oligomeric or polymeric compounds C which may be polyesters , polycarbonates , polyethers , polyamides , polydienes and polyenes , and which have at least two hydroxyl groups per molecule , optionally , monomeric hydroxy compounds D having at least two hydroxyl groups per molecule , optionally , compounds E having at least one primary or secondary amino group , and at least one hydroxyl group per molecule , optionally , compounds F having two or more primary or secondary amino groups per molecule and no hydroxyl groups , compounds G having only one hydroxyl group , and one or more tertiary amino groups , olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation , olefinically unsaturated monomers H1 having at ...

COREACTIVE MATERIALS AND METHODS FOR THREE-DIMENSIONAL PRINTING

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also disclosed. 1. A composition for three-dimensional printing , comprising:a first component comprising a first compound, wherein the first compound comprises at least one first functional group; anda second component comprising a second compound, wherein the second compound comprises at least one second functional group,wherein the at least one second functional group is reactive with the at least one first functional group;wherein at least one of the first functional group and the second functional group comprises a saturated functional group; andwherein each of the first functional group and the second functional group does not comprise an ethylenically unsaturated group.2. The composition of claim 1 , wherein the composition is characterized by: a viscosity less than 30 cP; a surface tension of 30 mN/m to 50 nM/m; a contact angle on glass of less than 20 degrees; and a contact angle on polyethylene terephthalate of less than 40 degrees.3. The composition of claim 1 , wherein each of the first component and the second component comprises less than 5 wt % solvent claim 1 , wherein wt % is based on the total weight of each of the respective coreactive components.4. The composition of claim 1 , wherein an equivalents ratio of the at least one first functional group to the at least one second functional group is from 2:1 to 1:2.5. The composition of claim 1 , wherein the first compound and the second compound are capable of coreacting at a temperature less than 30° C.6. The composition of claim 1 , wherein each of the first component and the second component independently comprises:a monomer having a molecular weight less than 600 Daltons;a prepolymer having a molecular weight with a range from 1,000 Daltons to 20,000 Daltons; ora combination thereof.7. The composition of claim 1 , wherein claim 1 ,the composition ...

Reinforced Polymer Coating

A coating is made by mixing an amine-terminated polymer precursor; an aromatic polyisocyanate polymer precursor; and nanotubes in the head of a spray gun and spraying the mixture onto a substrate.

AQUEOUS INK, INK CARTRIDGE AND INK JET RECORDING METHOD

An aqueous ink for ink jet recording contains a pigment and a urethane resin. The urethane resin includes units respectively derived from a polyisocyanate, a polyol having no acid group, a polyol having acid group and a primary monoalcohol, has an acid value of 20 mgKOH/g or less based on the unit present at a molecular terminal of the urethane resin and derived from the polyol having acid group and a rate (mol %) of the urethane bond formed by the units derived from the polyisocyanate and the primary monoalcohol accounting for the total of the urethane bond and the urea bond in the urethane resin of 5 mol % or more to 20 mol % or less. 1. An aqueous ink , for ink jet recording , comprising a pigment and a urethane resin , whereinthe urethane resin includes units respectively derived from a polyisocyanate, a polyol having no acid group, a polyol having acid group and a primary monoalcohol;the urethane resin has an acid value of 20 mgKOH/g or less based on the unit present at a molecular terminal of the urethane resin and derived from the polyol having acid group; anda rate (mol %) of the urethane bond formed by units derived from the polyisocyanate and the primary monoalcohol the total of the urethane bond and the urea bond in the urethane resin is 5 mol % or more to 20 mol % or less.2. The aqueous ink according to claim 1 , wherein the rate (mol %) of the urethane bond formed by units derived from the polyisocyanate and the primary monoalcohol accounting for the total of the urethane bond and the urea bond in the urethane resin is 10 mol % or more to 15 mol % or less.3. The aqueous ink according to claim 1 , wherein the polyol having no acid group includes a polyether polyol.4. The aqueous ink according to claim 1 , wherein the urethane resin has a weight-average molecular weight of 4 claim 1 ,000 or more to 25 claim 1 ,000 or less.5. The aqueous ink according to claim 1 , wherein the rate (mol %) of the urethane bond accounting for the total of the urethane bond ...

COMPOSITION AND METHOD FOR REDUCING ALDEHYDE CONTENT IN POLYURETHANE FOAMS

A method for producing a polyurethane polymer comprises the steps of: (a) providing a polyol; (b) providing an additive composition comprising a polyethylenimine compound and a sulfite compound; (c) combining the polyol and the additive composition to produce a polyol composition; (d) providing an isocyanate compound; and (e) combining and reacting the polyol composition and the isocyanate composition to produce a polyurethane polymer. 113-. (canceled)14. A method for producing a polyurethane polymer , the method comprising the steps of:(a) providing a polyol;(b) providing an additive composition comprising a polyethylenimine compound and a sulfite compound;(c) combining the polyol and the additive composition to produce a polyol composition;(d) providing an isocyanate compound; and(e) combining and reacting the polyol composition and the isocyanate compound to produce a polyurethane polymer.15. The method of claim 14 , wherein the polyol has a molar mass of about 400 g/mol or more.16. The method of claim 14 , wherein the polyol is a polyether polyol.17. The method of claim 14 , wherein the polyethylenimine compound is added in an amount of about 100 ppm or more based on the weight of the polyol.18. The method of claim 17 , wherein the polyethylenimine compound is added in an amount of about 100 ppm to about 2 claim 17 ,000 ppm based on the weight of the polyol.19. The method of claim 14 , wherein the polyethylenimine compound has a molar mass of about 500 g/mol or more.20. The method of claim 14 , wherein the sulfite compound is sodium sulfite.21. The method of claim 14 , wherein the additive composition comprises about 0.5 to about 5 parts by weight sulfite compound per 1 part by weight of the polyethylenimine compound.22. The method of claim 14 , wherein the sulfite compound is added in an amount of about 100 ppm or more based on the weight of the polyol.23. The method of claim 22 , wherein the sulfite compound is added in an amount of about 100 ppm to about 5 ...

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND USE THEREOF

Provided is a polymerizable composition for an optical material including (A) a bifunctional amine having two secondary amino groups, (B) a bifunctional thiol having two mercapto groups, and (C) a bifunctional isocyanate having two isocyanato groups, in which the ratio ((a+b)/c) of the total molar number (a+b) of the molar number a of amino groups in the amine (A) and the molar number b of mercapto groups in the thiol (B) with respect to the molar number c of isocyanato groups in the isocyanate (C) is in the range of 0.85 to 1.15, and the ratio (a/c) of the molar number a of amino groups in the amine (A) with respect to the molar number c of isocyanato groups in the isocyanate (C) is in the range of 0.10 to 0.60. 1. A polymerizable composition for an optical material , comprising:(A) a bifunctional amine having two secondary amino groups;(B) a bifunctional thiol having two mercapto groups; and(C) a bifunctional isocyanate having two isocyanato groups,wherein the ratio ((a+b)/c) of the total molar number (a+b) of the molar number a of amino groups in the amine (A) and the molar number b of mercapto groups in the thiol (B) with respect to the molar number c of isocyanato groups in the isocyanate (C) is in the range of 0.85 to 1.15, and the ratio (a/c) of the molar number a of amino groups in the amine (A) with respect to the molar number c of isocyanato groups in the isocyanate (C) is in the range of 0.10 to 0.60.2. The polymerizable composition for an optical material according to claim 1 , wherein the amine (A) is one or more compounds selected from a secondary aliphatic amine claim 1 , a secondary alicyclic amine claim 1 , and a secondary aromatic amine.3. The polymerizable composition for an optical material according to claim 1 , wherein the amine (A) has two secondary amino groups represented by the formula: —NHR claim 1 , and two R's may be the same or different from each other and are selected from an isopropyl group claim 1 , a 1 claim 1 ,2 claim 1 ,2- ...

STABLE POLYUREA MICROCAPSULE COMPOSITIONS

Stable polyurea microcapsule compositions suitable for encapsulating aldehydes with a low viscosity. Also disclosed are consumer products containing such a composition and its preparation methods. 1. A microcapsule composition comprising a plurality of microcapsules dispersed in an aqueous phase ,whereineach microcapsule having a microcapsule core and a microcapsule wall encapsulating the microcapsule core,the microcapsule core contains a fragrance having 8% to 100% one or more aldehydes by weight of the fragrance,the microcapsule wall is formed of an encapsulating polymer,the encapsulating polymer contains a polyurea polymer that is a reaction product of a multi-functional electrophile and a multi-functional nucleophile,the multi-functional electrophile contains a polyisocyanate,the multi-functional nucleophile contains a polyamine,the microcapsule composition has a viscosity of 2000 centipoises or less at a shear rate of 21 hertz and a temperature of 25° C., andthe microcapsule composition contains by weight (i) 5% to 80% of the fragrance in the microcapsule core, and (ii) 0.1% to 15% of the encapsulating polymer.2. The microcapsule composition of claim 1 , wherein the microcapsule composition contains by weight 10% to 60% of the microcapsule and 2% to 30% of the one or more aldehydes claim 1 , and each of the one or more aldehydes either (i) has a C log P of 4 or less or (ii) lacks a substitution on the alpha and beta carbon position relative to any aldehyde function group on the one or more aldehydes.3. The microcapsule composition of claim 1 , further comprising a dispersant at a level of 0.1% to 10% by weight of the composition.4. The microcapsule composition of claim 3 , wherein the dispersant contains polyvinylpyrrolidone at a level of 0.2% to 5% by weight of the composition.5. The microcapsule composition of claim 3 , wherein the dispersant contains a polyvinyl alcohol claim 3 , polystyrene sulfonate claim 3 , carboxymethyl cellulose claim 3 , naphthalene ...

Curable Photochromic Compositions

A curable photochromic composition can include: (a) a first component having a first compound with at least two active hydrogen-functional groups and an active hydrogen-functional group equivalent weight of at least 1000; (b) a second component having at least one of a polyisocyanate and a blocked polyisocyanate; and (c) at least one photochromic compound. The ratio of total isocyanate and blocked isocyanate equivalents of the second component to total active hydrogen-functional group equivalents of the first component is at least 4:1. 1. A curable photochromic composition comprising:(a) a first component comprising a first compound having at least two active hydrogen-functional groups and an active hydrogen-functional group equivalent weight of at least 1000;(b) a second component comprising at least one of a polyisocyanate and a blocked polyisocyanate; and(c) at least one photochromic compound,wherein the ratio of total isocyanate and blocked isocyanate equivalents of the second component to total active hydrogen-functional group equivalents of the first component is at least 4:1.2. The curable photochromic composition of claim 1 , further comprising:(d) a third component comprising a second compound having three or more active hydrogen-functional groups and an active hydrogen-functional group equivalent weight of less than or equal to 500,wherein the ratio of total isocyanate and blocked isocyanate equivalents of the second component to total active hydrogen-functional group equivalents of the first component and the third component is at least 4:1.3. The curable photochromic composition of claim 1 , wherein the ratio of total isocyanate and blocked isocyanate equivalents of the second component to total active hydrogen-functional groups equivalents of the first component is at least 5:1.4. The curable photochromic composition of claim 1 , wherein the ratio of total isocyanate and blocked isocyanate equivalents of the second component to total active hydrogen- ...

Aqueous polyurethane - vinyl polymer hybrid dispersions

The invention relates to aqueous polyurethane-vinyl polymer hybrid dispersions comprising, as building blocks, hydrophobically modified hydroxy-functional polyesters A, acids B that have further groups which react with isocyanates under formation of urethanes, ureas, or thiourethanes, compounds G having only one hydroxyl group, and one or more tertiary amino groups, olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation, olefinically unsaturated monomers H1 having at least one polymerisable ethylenic unsaturation and no further functional group which reacts with an isocyanate group, and multifunctional isocyanates I having at least two isocyanate groups per molecule, to a process of their preparation, and to a method of use thereof.

GUANYLUREA ALCOHOL PHOSPHATES AND THEIR USE AS REACTANTS IN POLYURETHANE AND EPOXY RESIN APPICATIONS

Guanylurea alcohol phosphate salts are disclosed. Flame retardant thermoplastic and thermoset polymers can be made by incorporating said guanylurea alcohol phosphate salts into polymers and these polymers have improved properties over similar thermoplastic or thermoset polymers where guanylurea phosphate salts are added as flame retardant dispersions to said polymer. Flame retardant polyurethane foams where the guanylurea alcohol phosphate salts have been incorporated into the polyurethane are a particularly preferred embodiment. 1. A flame retardant composition comprising: a) a mono or polyhydroxyl functional phosphate ester compound formed from reacting a polyol with a source of phosphoric acid,', 'b) dicyanodiamide and water, and', 'c) (a) an epoxy compound having an epoxy ring that is reactive with the hydroxyl group to form a covalent chemical bond between a methylene group of the ring and the oxygen of the hydroxyl group on the phosphate ester and/or (b) an isocyanate compound having an isocyanate group that is reactive with the oxygen of the hydroxyl group of the phosphate ester to form a urethane linkage,, 'a polymeric reaction product of'}wherein said phosphate ester compound is reacted with said epoxy compound and/or said isocyanate compound to form a polymeric reaction product with a covalent chemical bond between said phosphate ester compound and said epoxy and/or isocyanate compound.2. The flame retardant composition of claim 1 , further comprising difunctional or higher functionality polyol macro monomer that also reacts with said epoxy compound and/or isocyanate compound and is therefore incorporated into said polymeric reaction product.3. The composition of claim 1 , wherein said mono or polyhydroxyl functional phosphate is present in said flame retardant composition in an amount sufficient to result in 0.5 to 15 wt. % phosphorus.4. The composition of claim 1 , wherein said dicyanodiamide and water is present in sufficient amounts such that the total ...

AQUEOUS POLYURETHANE DISPERSION ADHESIVE COMPOSITIONS

An aqueous polyurethane dispersion compositions are disclosed. The compositions include a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising an isocyanate and a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90° C. Methods of forming a laminate are also disclosed. The methods include providing an aqueous polyurethane dispersion, applying the polyurethane dispersion to a surface of the first substrate, bringing the side of the first substrate into contract with a surface of the second substrate, and curing the aqueous dispersion, thereby laminating the first substrate to the second substrate. Laminates formed by the methods and including the compositions are also disclosed. 1. An aqueous polyurethane dispersion composition , comprising: an isocyanate; and', 'a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90° C., 'a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising2. The aqueous polyurethane dispersion composition of claim 1 , wherein the isocyanate is selected from the group consisting of an aromatic isocyanate claim 1 , an aliphatic isocyanate claim 1 , a cycloaliphatic isocyanate claim 1 , and combinations of two or more thereof.3. The aqueous polyurethane dispersion composition of claim 1 , wherein the crystalline polyester polyol is a polycondensate of a linear diol and a linear carboxylic acid.4. The aqueous polyurethane dispersion composition of claim 3 , wherein the linear diol is selected from the group consisting of butanediol claim 3 , hexanediol claim 3 , and combinations thereof.5. The aqueous polyurethane dispersion composition of claim 3 , wherein the linear dicarboxylic acid is adipic acid.6. The aqueous polyurethane dispersion composition of claim 1 , wherein the crystalline polyester polyol is a ...

POLYMERIC MATERIAL INCLUDING A URETDIONE-CONTAINING MATERIAL, TWO-PART COMPOSITIONS, AND METHODS

The present disclosure provides a polymeric material including a reaction product of a polymerizable composition and having a solids content of 90% or greater. The polymerizable composition includes a uretdione-containing material including a reaction product of a diisocyanate reacted with itself, a first hydroxyl-containing compound having a single OH group, and a second hydroxyl-containing compound having more than one OH group. The first hydroxyl-containing compound is a primary alcohol or a secondary alcohol, plus the second hydroxyl-containing compound is a diol and the reaction product contains 0.2 to 0.5, inclusive, of diol equivalents relative to isocyanate equivalents. The present disclosure also provides a two-part composition, in which the polymeric material is included in the first part and the second part includes at least one amine. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of making a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water. 1. A polymeric material comprising a reaction product of a polymerizable composition , the polymerizable composition comprising:a. a uretdione-containing material comprising a reaction product of a diisocyanate reacted with itself;b. a first hydroxyl-containing compound having a single OH group, wherein the first hydroxyl-containing compound is a primary alcohol or a secondary alcohol; and 'wherein the polymeric material comprises a solids content ...

Acid-dyeable spandex from cationic polyurethane

Compositions containing spandex and quaternary amine additives for use in filaments, fiber and articles of manufacture having improved wash fastness when dyed with acid dyes are provided. Methods for production of these compositions are also provided.

FOAM COMPOSITION FOR A DISPOSABLE SINGLE USE APPLICATOR ASSEMBLY WITH A CHEMICAL COMPOSITION

The applicator assembly delivers a cosmetic, health, or hygiene chemical composition in an active state to the user for a disposable single use. The applicator assembly includes a wrapper, and an insert. The insert holds the chemical composition, and the insert is made of a foam composition compatible with the chemical composition. The system and method for manufacturing the assembly is a web conversion process for the chemical composition and foam composition of the assembly. The insert body of the assembly is made of a foam composition compatible with the cosmetic or other hygiene or medical treatment of the chemical composition and the manufacturing process. The foam composition includes a reaction product of water, clay, polyacrylate, silane, methanol, ethylenediamine, and polyurethane prepolymer. 1. A foam composition for storing and transport , comprising a reaction product of water , clay , polyacrylate , silane , methanol , ethylenediamine , and polyurethane prepolymer , said foam composition being hydrophilic with a melting point greater than 3 F and a specific gravity of 0.3 to 0.5.2. An assembly for storing and transporting , said assembly comprising:a wrapper having a top sheet and a bottom sheet, said top sheet being sealed to said bottom sheet so as to form a border along a perimeter of said top sheet and said bottom sheet; andan insert having a top surface and a bottom surface, said insert being comprised of an insert body with a handle portion and an applicator portion,wherein said insert body is positioned between said top sheet and said bottom sheet,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein said insert body is comprised of said foam composition, according to ,'}wherein said border aligns with said applicator portion only so as to maintain said insert in place within said wrapper, 'a set amount of a chemical composition, corresponding to a single dose, and wherein said set amount is positioned on said applicator portion,', 'wherein ...

Process for preparing thermoplastic elastomer foam and foamed article

A thermoplastic elastomer foam is made by incorporating a gaseous or supercritical blowing agent under pressure into a molten thermoplastic elastomer comprising polymeric polymeric crystalline domains, then releasing the pressure to foam the thermoplastic elastomer.

ADDITIVE COMPOSITION AND METHOD

An additive consisting of an active, the active consisting of one or both of tetraacetylethylenediamine or triacetylethylenediamine; and the interfacial polymerization reaction product of a (poly)isocyanate and a polyamine. A method of preparing a water dilution-responsive additive comprising providing an oil phase comprising an active, a solvent, a (poly)isocyanate; providing an aqueous phase comprising water and an emulsifier; mixing the oil phase and the aqueous phase to provide an emulsion; providing a polyamine to the emulsion. 1. An additive consisting of:an active, the active consisting of one or both of tetraacetylethylenediamine or triacetylethylenediamine; andthe interfacial polymerization reaction product of a (poly)isocyanate and a polyamine.2. The additive of claim 1 , wherein the (poly)isocyanate is selected from the group consisting of toluene diisocyanate claim 1 , 4 claim 1 ,4′-diphenylmethane diisocyanate claim 1 , polymethylene polyphenyl isocyanate claim 1 , isophorone diisocyanate claim 1 , 1 claim 1 ,4-diisocyanatobutane claim 1 , 1 claim 1 , 4-phenylene diisocyanate claim 1 , 1 claim 1 ,3-phenylene diisocyanate claim 1 , hexamethylene diisocyanate claim 1 , 1 claim 1 ,3-bis(isocyanatomethyl)benzene claim 1 , 1 claim 1 ,8-diisocyanatooctane claim 1 , 4-4′-methylenebis(phenyl isocyanate) claim 1 , and 4 claim 1 ,4′methylenebis(cyclohexyl isocyanate).3. The additive of claim 1 , wherein the polyamine is a water-soluble polyamine.4. The additive of claim 3 , wherein the water-soluble polyamine is selected from the group consisting of ethylenediamine claim 3 , diethylenetriamine claim 3 , triethylenetretraamine claim 3 , tetraethylenepentamine claim 3 , and pentaethylenehexamine.5. The additive of claim 1 , wherein the encapsulating efficiency of the active in the additive is from 60 to 100 percent.6. A method of preparing a water dilution-responsive additive comprising:providing an oil phase comprising an active, a solvent, a (poly)isocyanate; ...

Methods for Reactive Three-Dimensional Printing by Extrusion

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also enclosed. 126.-. (canceled)27. A method of three-dimensional printing an object comprising: the coreactive composition comprises a first component comprising at least two first functional groups and a second component comprising at least two second functional groups,', 'the second functional group is reactive with the first functional group; and', 'at least one of the first functional group and the second functional group comprises a saturated functional group; and, '(a) extruding a coreactive composition, wherein,'}(b) building a three-dimensional printed object;wherein extruding comprises forming an extrusion wherein the extrusion is characterized by a cross-sectional profile having an inhomogeneous material composition.28. The method of claim 27 , wherein claim 27 ,the cross-sectional profile comprises a first proton and a second portion;the first portion comprises a molar ratio of the first component to the second component greater than 1; andthe second portion comprises a molar ratio of the first component to the second component less than 1.29. The method of claim 28 , wherein the first portion and the second portion are on opposite sides of the cross-sectional profile.30. The method of claim 28 , wherein claim 28 ,the first portion comprises an equivalent ratio of the first functional group to the second functional group greater than 1; andthe second portion comprises an equivalent ratio of the first functional group to the second functional group less than 1.31. The method of claim 27 , wherein an equivalents ratio of the first component to the second component is not homogeneous throughout the cross-sectional profile.32. The method of claim 27 , wherein an equivalents ratio of the first component to the second component is homogeneous throughout the cross-sectional profile.33. The method of claim 27 , ...

POLYUREA-BASED MATERIAL, POLISHING AND GRINDING MEDIA INCLUDING THE POLYUREA-BASED MATERIAL, AND METHODS OF FORMING AND USING SAME

Polyurea-based materials suitable for grinding media and polishing media, media including the polyurea-based material, and methods of forming and using the polyurea-based material and media are disclosed. The polyurea-based material is formed using one or more secondary polyamines, which allows for slower reaction rates and produces material having desired properties. 1. A polyurea-based material for grinding or polishing a surface of a substrate , the polyurea-based material comprising:{'sub': 'n', 'a polyurea, wherein the polyurea is formed from one or more secondary polyamines having a general formula of R[—NH—R], wherein n is greater than or equal to 2 and wherein R is not H and R′ is not H; and one or more of polyisocyanates, polyisocyanate derivatives, and polyisocyanate products.'}3. The polyurea-based material of claim 1 , wherein a molecular weight of the polyurea ranges from about 50 to about 6000 Da.4. The polyurea-based material of claim 1 , wherein the polyurea-based material further comprises a cell stabilizer.5. The polyurea-based material of claim 1 , wherein the polyurea-based material further comprises from 0 wt % to about 80 wt % filler.6. The polyurea-based material of claim 1 , wherein the polyurea-based material comprises about 5 wt % to about 80 wt % of the polyurea.7. The polyurea-based material of claim 1 , wherein the polyurea-based material comprises grooves.8. The polyurea-based material of claim 1 , wherein the polyurea-based material comprises an adhesive on a surface.9. A stacked pad comprising a polyurea-based material of .10. A method of forming a polyurea-based material claim 1 , the method comprising the steps of:{'sub': 'n', 'mixing one or more secondary polyamines having a general formula of R[—NH—R], wherein n is greater than or equal to 2, wherein R is not H and wherein R′ is not H;'}reacting the one or more secondary polyamines with one or more of polyisocyanates, polyisocyanate derivatives, and polyisocyanate products to form ...

POLYUREA THAT IS PARTICULARLY USEFUL AS AN ADHESION PRIMER FOR ADHERING METAL TO RUBBER

A polyurea comprises at least urea base units of formula —NH—CO—NH— and additional units. The additional units comprise at least, on the one hand, a secondary alcohol functional group and, on the other hand, an ether, thioether or secondary amine functional group in the alpha position with respect to the secondary alcohol functional group. Such a polymer can be used as an adhesion primer for the adhesive bonding of a substrate, for example, glass or metal, to an unsaturated rubber or as corrosion-resistant protective coating for a metal substrate. Metal reinforcers, such as thread, cord, film or plate, coated can also be coated with such a polymer. 131.-. (canceled)32. A polyurea comprising at least urea base units of formula —NH—CO—NH— and additional units ,wherein the additional units comprise at least a secondary alcohol functional group and an ether, thioether or secondary amine functional group in the alpha position with respect to the secondary alcohol functional group.33. The polyurea according to claim 32 , wherein the additional units comprise at least one sub-unit of formula (A) selected from the group consisting of:{'br': None, 'sub': n', '2, '—F—(CH)—CH(OH)—\u2003\u2003(A-1){'br': None, 'sub': n', '1, '—F—(CHR)—CH(OH)—\u2003\u2003(A-2){'br': None, 'and'}{'br': None, 'sub': n', '2, '—F—(C═R)—CH(OH)—\u2003\u2003(A-3){'sub': 'n', 'wherein Frepresents O, S or NH; and'}{'sub': 1', '2, 'wherein Rand Rrepresent an aliphatic, cycloaliphatic or aromatic hydrocarbon group.'}34. The polyurea according to claim 33 , wherein Rand Rcomprise from 1 to 12 carbon atoms.35. The polyurea according to claim 34 , wherein Ris an alkyl having from 1 to 5 carbon atoms.36. The polyurea according to claim 35 , wherein Ris methyl.37. The polyurea according to claim 33 , wherein Frepresents NH.38. The polyurea according to claim 37 , wherein the additional units comprise at least one sub-unit of formula (A-1).39. The polyurea according to claim 37 , wherein the additional units ...

A composition comprising solvent and heat resistant capsules

A composition includes a capsules having an improved solvent and heat resistance. The capsules are prepared via interfacial polymerization between a polyisocyanate including at least one substituted or unsubstituted arylene or heterearyl group and a compound including an active hydrogen. The capsules include a leuco dye and may be used in laser markable compositions.

BIOSTABLE POLYURETHANES

The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants. 121-. (canceled)23. A polyurethane urea according to claim 22 , in which the Rto Rin formula (I) are independently selected from Calkyl.24. A polyurethane urea according to claim 23 , in which Rto Rin formula (I) are methyl.25. A polyurethane urea according to claim 22 , in which Rand Rin formula (I) are independently selected from Calkylene.26. A polyurethane urea according to claim 22 , in which Rand Rin formula (I) are ethylene or propylene.27. A polyurethane urea according to claim 22 , in which p in formula (I) is an integer of 5 to 30.28. A polyurethane urea according to claim 22 , in which the diisocyanate is an aromatic diisocyanate.29. A polyurethane urea according to claim 28 , in which the aromatic diisocyanate is 4 claim 28 ,4′-diphenylmethyl diisocyanate (MDI).30. A polyurethane urea according to claim 22 , in which the chain extender has a molecular weight of 500 or less.31. A polyurethane urea according to claim 22 , in which the Calkane diol is 1 claim 22 ,4-butanediol (BDO).321. A process for preparing the biostable polyurethane urea according to claim which comprises the steps of:{'b': '1', '(i) reacting the diisocyanate with the amine terminate polysiloxane of formula (I) according to claim to form a prepolymer; and'}(ii) high shear mixing the prepolymer with the linear difunctional chain extender.33. A biomaterial claim 22 , device claim 22 , article or implant which is wholly or partly composed of the biostable polyurethane urea according to .34. A biomaterial claim 33 , device claim 33 , article or implant according to which is ...

AQUEOUS COATING COMPOSITION

The present invention relates to a radiation-curable aqueous coating composition comprising a polyurethane A comprising as building blocks at least: (a) a polyisocyanate(s) containing at least two cyclic groups, (b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has from 4 to 36 carbon atoms, and (c) a component(s) containing an isocyanate-reactive group(s), whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and optionally radiation-curable diluent; whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1; and whereby the ethylenically unsaturated bond concentration of the coating composition is in the range from 0.5 to 6 milliequivalents per g of polyurethane A and radiation-curable diluent. 1. A radiation-curable aqueous coating composition comprising (a) a polyisocyanate(s) containing at least two cyclic groups,', '(b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has from 4 to 36 carbon atoms, and', '(c) a component(s) containing an isocyanate-reactive group(s),', 'whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and', 'whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1; and, 'a polyurethane A comprising as building blocks at leastthe composition optionally further comprises radiation-curable diluent;whereby the ethylenically unsaturated bond concentration of the coating composition is in the range from 0.5 to 6 milliequivalents per g of polyurethane A and radiation-curable diluent.2. The aqueous coating composition according to claim 1 , wherein the weight ratio of (a) to (b) is from 60:40 to 95:5 claim 1 , preferably from to 65:35 to 90:10.3. The aqueous coating composition according to ...

Polymeric material including a uretdione-containing material and an epoxy component, two-part compositions, and methods

The present disclosure provides a polymeric material including a polymerized reaction product of a polymerizable composition including components and has a solids content of 90% or greater. The components include a uretdione-containing material including a reaction product of a diisocyanate reacted with itself; a first hydroxyl-containing compound; an optional second hydroxyl-containing compound having a single OH group, wherein; and an epoxy component. The first hydroxyl-containing compound has more than one OH group and the optional second hydroxyl-containing compound is a primary alcohol or a secondary alcohol. The present disclosure also provides a two-part composition, in which the polymeric material is included in the first part and the second part includes at least one amine. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of making a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

ADHESIVE COMPOSITION AND METHOD OF MANUFACTURING NONPNEUMATIC TIRE BY USING SAME

The present disclosure relates to an adhesive composition and a method of manufacturing a nonpneumatic tire using the same, and more specifically, to an adhesive composition comprising a linear structured prepolymer for polyurethane having a cyclic carbonate group at both ends thereof and a polyfunctional amine, and a method of manufacturing a nonpneumatic tire using the same. 1. An adhesive composition comprising:a linear structured prepolymer for polyurethane having a cyclic carbonate group at both ends thereof; anda polyfunctional amine.2. The adhesive composition of claim 1 , wherein the polyfunctional amine is included in an amount of 40 to 100 moles based on 100 moles of the prepolymer.3. The adhesive composition of claim 1 , wherein the linear structured prepolymer is produced through a chemical reaction between glycerol carbonate and a reaction product of an organic diisocyanate monomer and a polyol selected from the group consisting of ethylene glycol claim 1 , diethylene glycol claim 1 , dipropylene glycol claim 1 , neopentyl glycol claim 1 , 1 claim 1 ,3-butanediol claim 1 , 1 claim 1 ,4-butanediol claim 1 , polytetramethylene ether glycol (PTMEG) claim 1 , polypropylene glycol claim 1 , and dihydroxy polyester.4. The adhesive composition of claim 3 , wherein the organic diisocyanate monomer includes 4 claim 3 ,4′-diphenylmethane diisocyanate (MDI).5. The adhesive composition of claim 1 , wherein the polyfunctional amine is any one selected from the group consisting of triethylenetetramine (TETA) claim 1 , diethylenetriamine (DETA) claim 1 , tetraethylenepentamine (TEPA) claim 1 , pentaethylenehexamine (PEHA) claim 1 , or mixtures of two or more thereof.6. A method of manufacturing a nonpneumatic tire claim 1 , the method comprising:a step (S1) of surface-treating an aluminum wheel with an amino silane compound or an epoxy silane compound;a step (S2) of applying an adhesive composition onto the surface-treated aluminum wheel;a step (S3) of forming a ...

BINDER FOR ELECTRODE IN LITHIUM SECONDARY CELL, ELECTRODE MANUFACTURED USING SAID BINDER, AND LITHIUM SECONDARY CELL IN WHICH SAID ELECTRODE IS USED

A binder for an electrode of a lithium secondary battery contains a water dispersion of a polyurethane. The polyurethane has been formed of (A) a polyisocyanate, (B) a compound having two or more active hydrogen groups, (C) a compound having one or more active hydrogen groups and a hydrophilic group, and (D) a chain extending agent. The (B) compound having two or more active hydrogen groups contains an olefinic polyol and/or a carbonate diol having a carbon number between carbonate bond chains of less than 6. The binder has high adhesiveness to a collector, does not cause release in press molding, has high flexibility, and is excellent in bindability and resistance to an electrolytic solution. 110-. (canceled)11. A binder for an electrode of a lithium secondary battery , comprising a water dispersion of a polyurethane formed of(A) a polyisocyanate that contains an alicyclic isocyanate and/or an aromatic isocyanate,(B) a compound having two or more active hydrogen groups comprising 40% by mass or more and 90% by mass or less with respect to the polyurethane of an olefinic polyol and, optionally, a polycarbonate diol having a carbon number between carbonate bond chains of less than 6,wherein the olefinic polyol is at least one selected from polybutadiene polyol, polyisoprene polyol, hydrogenated polybutadiene polyol, and hydrogenated polyisoprene polyol,(C) a compound having one or more active hydrogen groups and a hydrophilic group, and(D) a chain extending agent,wherein the polyurethane has a crosslinking density of 0.01 or more and 0.50 or less per 1,000 molecular weight of the polyurethane.12. The binder for an electrode of a lithium secondary battery according to claim 11 , wherein the polyurethane has a urethane bond equivalent of 200 g/eq or more and 2 claim 11 ,000 g/eq or less.13. The binder for an electrode of lithium secondary battery according to claim 11 , wherein the (C) compound having one or more active hydrogen groups and a hydrophilic group contains ...

Composition

An isocyanate reactive composition including at least one component selected from the group consisting of a polyether polyol, a polyester polyol, a polyether polyamide and a polyester polyamide; one or more amine components, each of said amine components having a given structure. In some embodiments, the average number of nitrogen atoms of said amine components is in the range of 5 to 10. 2. A method according to claim 1 , wherein the average number of nitrogen atoms of said one or more amine components is in the range of 5 to 10.4. A method according to claim 1 , wherein said reaction mixture comprises:at least one isocyanate component;at least one isocyanate reactive component comprising one or more reactive hydrogen atom, wherein the at least one isocyanate reactive component is selected from a polyether polyol, a polyester polyol, a polyether polyamide, and a polyester polyamide;catalysts selected from the group consisting of blowing and gelling catalysts; andoptionally, fire retardants, antioxidants, surfactants, physical or chemical blowing agents, fillers, pigments, or any other typical additives used in polyurethane materials.5. A method according to claim 1 , wherein said one or more amine components is provided to the reaction mixture as part of the isocyanate reactive component. This application is a Divisional of U.S. application Ser. No. 16/386,978 filed Apr. 17, 2019, which is a Divisional of U.S. application Ser. No. 14/420,915 filed Feb. 11, 2015, which is the National Phase of International Application PCT/EP2013/064519 filed Jul. 10, 2013, which designated the U.S. and which claims priority to U.S. Patent Provisional Application No. 61/683,957, filed Aug. 16, 2012. The noted applications are incorporated herein by reference.The present invention relates to isocyanate reactive compositions and methods to reduce the amount of aldehydes and/or dimethylformamide emitted from polyurethane foams by using said isocyanate reactive compositions.Polyurethane ...

POLYURETHANE FOAM BY REACTION INJECTION MOLDING

The present invention provides a method for preparing a foam that includes a polyurethaneurea dispersion. These foams have enhanced flexibility and resistance to compressibility compared to convention polyurethane foam. These foams may also be made by a reaction injection molding process. The method includes preparing a shaped polyurethane foam article by: (a) providing a first composition comprising at least one polyol, a chain extender composition and a blowing agent; (b) providing a second composition comprising at least one of a diisocyanate, a capped glycol, and combinations thereof; (c) mixing the first composition and the second composition to form a reaction mixture into a heated mold; and (d) allowing the reaction mixture to form a polyurethane foam; wherein the first composition includes one of: (i) the chain extender composition includes at least one amine compound; (ii) the blowing agent includes a polyurethaneurea aqueous dispersion; and (iii) combinations of (i) and (ii). 2. The method of claim 1 , wherein said chain extender comprises a diol.3. The method of claim 1 , wherein said amine compound is selected from a diamine claim 1 , an amine compound having a hydroxyl functional group claim 1 , and combinations thereof.4. The method of claim 2 , wherein a weight ratio of said diol to said diamine compound is at least 75:25.5. The method of claim 1 , wherein said amine compound is selected from the group consisting of 1 claim 1 ,2-ethylenediamine claim 1 , 1 claim 1 ,4-butanediamine claim 1 , 1 claim 1 ,6-hexamethylenediamine claim 1 , 1 claim 1 ,12-dodecanediamine claim 1 , 1 claim 1 ,2-propanediamine claim 1 , 2-methyl-1 claim 1 ,5-pentanediamine claim 1 , 1 claim 1 ,2-cyclohexanediamine claim 1 , 1 claim 1 ,4-cyclohexanediamine claim 1 , 4 claim 1 ,4′-methylene-bis(cyclohexylamine) claim 1 , isophorone diamine claim 1 , 2 claim 1 ,2-dimethyl-1 claim 1 ,3-propanediamine claim 1 , meta-tetramethylxylenediamine claim 1 , N claim 1 ,N′-dimethyl-1 claim 1 ...

Composition

An isocyanate reactive composition comprising 2. A composition according to claim 1 , wherein the average number of nitrogen atoms of said one or more amine components is in the range of 5 to 10.3. A composition according to claim 2 , wherein the average number of nitrogen atoms of said one or more amine components is in the range 5 to 8.4. A composition according to claim 1 , wherein said one or more amine components comprise at least one component comprising at least two primary amine groups and at least one secondary amine group.5. A composition according to claim 1 , wherein R claim 1 , R claim 1 , Rand Rare each hydrogen.6. A composition according to claim 5 , wherein said one or more amine components is a mixture comprising at least one of triethyltetramines (TETA) claim 5 , tetraethyl pentamines (TEPA) claim 5 , pentaethylhexamines (PEHA) claim 5 , hexaethylheptamines (HEHA) claim 5 , heptaethyloctamines (HEOA) and octaethylenenonamines (OENO).8. A method according to claim 7 , wherein the average number of nitrogen atoms of said one or more amine components is in the range of 5 to 10.10. A method according to claim 7 , wherein said reaction mixture comprisesat least one isocyanate component;at least one isocyanate reactive component comprising one or more reactive hydrogen atom, wherein the at least one isocyanate reactive component is selected from a polyether polyol, a polyester polyol, a polyether polyamide and a polyester polyamide; and catalysts selected from the group consisting of blowing and gelling catalysts; andoptionally, fire retardants, antioxidants, surfactants, physical or chemical blowing agents, fillers, pigments, or any other typical additives used in polyurethane materials.11. A method according to claim 7 , wherein said one or more amine components is provided to the reaction mixture as part of the isocyanate reactive component. This Application is a Divisional of U.S. application Ser. No. 14/420,915 filed Feb. 11, 2015, pending, which is ...

RUBBER COMPOSITION FOR DYNAMIC USES, PRODUCTION METHOD THEREOF, PRODUCTS CONTAINING SAME, AND USES THEREOF

The invention relates to a rubber composition for a mechanical member with a dynamic function, to a process for preparing this composition, to such a member and to a use of a polymer bearing urethane functions. 127-. (canceled)28. A rubber composition usable in a mechanical member with a dynamic function chosen from antivibration supports and elastic articulations for motorized vehicles or industrial devices , the composition being based on at least one elastomer and comprising:a reinforcing filler, and{'b': '1', 'a polymer bearing urethane groups dispersed in said at least one elastomer, p the composition comprising the product of an in situ thermomechanical blending reaction of said at least one elastomer with said reinforcing filler, precursors of said polymer bearing urethane groups and a chain extender,'} [{'br': None, 'i': G′', 'G′', 'T=, '0.5%/20%≤1.15 for 100° C., \u2003\u2003(i)'}, {'br': None, 'i': G′', 'G′', 'T=, '0.5%/20%≤1.40 for 65° C., \u2003\u2003(ii)'}, {'br': None, 'i': G′', 'G′', 'T=, '0.5%/20%≤1.50 for 25° C., \u2003\u2003(iii)'}, {'br': None, 'i': G′', 'G′', 'T=, '0.5%/20%≤1.60 for 0° C., \u2003\u2003(iv)'}, {'br': None, 'i': G′', 'G′', 'T=−, '0.5%/20%≤2.50 for 30° C. \u2003\u2003(v)'}], 'in which the composition has a ratio G′ 0.5%/G′ 20% of storage moduli G′ relative to the complex shear moduli G* satisfying at least one of the following conditions (i) to (v), G′ 0.5% and G′ 20% being measured according to the standard ISO 4664 at respective dynamic strain amplitudes of 0.5% and 20%, on double shear test specimens subjected to shear strains of from 0.02% to 50% at the same frequency of 5 Hz and at the same temperature T29. The rubber composition as claimed in claim 28 , in which the composition satisfies at least condition (i) claim 28 , and in which said test specimens are subjected to preliminary mechanical conditioning of 0±4 mm claim 28 , 50 mm/minute over 8 cycles.30. The rubber composition as claimed in claim 29 , in which the ...

Microcapsule compositions stabilized with viscosity control agent

Disclosed are microcapsule compositions each comprising a microcapsule suspended in an aqueous phase and a viscosity control agent, wherein the viscosity control agent is an acrylate copolymer, a cationic acrylamide copolymer, or a polysaccharide. Also disclosed are consumer products containing such a microcapsule composition.

Method for preparing biomass-based polymer emulsion

A method for preparing biomass-based polymer emulsion. The method includes: 1) preparing cardanol-based polymerizable emulsifier; 2) preparing castor oil-based polyurethane prepolymer; and 3) preparing biomass-based polymer emulsion.

LOW-DAMPING POLYURETHANE ELASTOMER

The present invention relates to a method of preparing a polyurethane elastomer, said method comprising the step of reacting at least one isocyanate composition (ZI) and one polyol composition (ZP) comprising a poly-ε-caprolactone polyol and an α-hydro-ω-hydroxy-poly(oxytetramethylene) polyol to obtain an isocyanate-functional prepolymer and the step of reacting the prepolymer obtained as per step (i) with at least one chain extender (KV). The present invention further relates to a polyurethane elastomer obtained or obtainable according to a method of the invention and also to the method of using a polyurethane elastomer according to the invention or a polyurethane elastomer obtained or obtainable according to a method of the invention in the manufacture of a shaped article, especially a damping element, a shock absorber or a stop buffer or part of a shoe or of a shoe sole, for example part of an insert sole or of a midsole. 1: A method of preparing a polyurethane elastomer , comprising (i) and (ii):(i) reacting at least one isocyanate composition (ZI) and one polyol composition (ZP) comprising a poly-ε-caprolactone polyol and an α-hydro-ω-hydroxypoly(oxytetramethylene) polyol to obtain an isocyanate-functional prepolymer, and(ii) reacting the prepolymer obtained in (i) with at least one chain extender (KV) in the presence of a blowing agent.2: The method according to claim 1 , wherein the reacting in (i) is performed such that the prepolymer obtained in (i) has an isocyanate (NCO) content in the range from 2% to 8%.3: The method according to wherein the reacting in (i) is effected at a temperature in the range from 110° C. to 180° C.4: The method according to claim 1 , wherein the reacting in (i) is performed such that the prepolymer obtained in (i) has an isocyanate (NCO) content in the range from 8% to 22%.5: The method according to claim 1 , wherein the reacting in (i) is effected at a temperature in the range from 40° C. to 110° C.6: The method according to ...

BIOSTABLE POLYURETHANES

The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than 0 and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants. 1. (canceled)2. A biostable polyurethane comprising: {'br': None, 'sub': 2', '3', '2', '3, 'i': 'p', 'A-R5-O—(CH)—[Si(R1)(R3)]R6-[-O—Si(R2)(R4)-]-(CH)—O—R6-A′\u2003\u2003(I)'}, '(a) about 60-90 wt-% of a soft segment consisting of about 100 wt-% of a polysiloxane having a molecular weight of about 500-1500 of the formula A and A′ are OH;', 'R1, R2, R3 and R4 are methyl;', 'R5 and R6 are ethylene:', 'p is an integer of about 8-20;', 'optionally, up to about 2% of a polyether polyol; and, 'in which'}(b) about 10-40 wt-% of a hard segment which is the reaction product of a diisocyanate and a linear difinctional chain extender.3. The polyurethane of claim 2 , wherein the diisocyanate is about 20-35 wt-% based on the total weight of the polyurethane.4. The polyurethane of claim 3 , wherein the chain extender is about 2-5 wt-% based on the total weight of the polyurethane.5. The polyurethane of claim 4 , wherein the chain extender is a (C-C)alkane diol or a (C-C)alkane diamine.6. The chain extender of claim 5 , wherein the (C-C) alkane diol is 1 claim 5 ,4-butane diol.7. The polyurethane of claim 3 , wherein the diisocyanate is an aromatic diisocyanate.8. The polyurethane of which is 4 claim 6 ,4′-diphenylmethyl diisocyanate.9. A biomaterial claim 2 , device claim 2 , article or implant which is wholly or partly composed of the polyurethane of .10. A biomaterial claim 9 , device claim 9 , article or implant according to which is selected from catheters; stylets; bone suture anchors; vascular claim 9 , oesophageal and bilial stents; cochlear implants; ...

Polyurethane fiber including copolymer polyol

Fibers, fabrics and other articles including a polyurethaneurea that is the reaction product of (a) a prepolymer including the reaction product of (i) a polyol including a copolymer of tetrahydrofuran and 3-methyltetrahydrofuran having a number average molecular weight of 1000 to 2000 and (ii) a diisocyanate; and (b) a chain extender, are provided.

POLYMER DISPERSIONS HAVING NANOSIZED POLYUREA PARTICLES DISPERSED IN A POLYETHER

Dispersions of polyurea particles are made by reacting polyisocyanate compounds and coreactants that include at least one polyamine while dispersed in a base polyether. The polyisocyanate or the polyamine, or both, has a functionality of at least 2. A highly preferred coreactant is an alkylthio-substituted aromatic diamine such as 3,5-di(methylthio)-2,4-toluene diamine. The dispersions have extremely small particles, which promotes storage stability. 1. A process for preparing a dispersion of polyurea polymer particles in a base polyether , comprising (I) forming an agitated mixture of (i) one or more polyisocyanate compounds , (ii) one or more coreactants that includes at least one polyamine compound having an equivalent weight per primary and/or secondary amine group of up to 200 , and a base polyether having a molecular weight of at least 600 , provided that the polyisocyanate compound(s) have an average functionality of at least 2.4 and/or the polyamine compound(s) contain an average of at least 2.4 primary and/or secondary amino groups , and (II) reacting the coreactant(s) with the polyisocyanate compound(s) in the presence of the base polyether , to form the dispersion of polyurea particles in the base polyether.2. The process of wherein the polyisocyanate compounds have an average functionality of at least 2.8.3. The process of wherein the polyisocyanate compound is a mixture of one or more methylene diphenylisocyanates and one or more polymethylene polyphenylisocyanates.4. The process of wherein the polyamine compound(s) constitute at least 50 mole percent of the coreactants.5. The process of wherein the polyamine compound(s) have an average functionality of at least 2.8.6. The process of wherein the coreactants include at least one monoamine claim 2 , polyol or aminoalochol.7. The process of wherein the monoamine claim 6 , polyol or aminoalcohol is selected from ethyl amine claim 6 , propyl amine claim 6 , butyl amine claim 6 , hexyl amine claim 6 , ...

AQUEOUS POLYURETHANE DISPERSION

Provided is an aqueous composition comprising dispersed particles that comprise a polyurethane, wherein said polyurethane is a reaction product of a group of reactants (GR1), wherein GR1 comprises one or more aromatic polyisocyanates and, a polyol component, wherein said polyol component comprises 1. An aqueous composition comprising one or more anionic surfactants and further comprising dispersed particles that comprise a polyurethane , wherein said polyurethane is a reaction product of a group of reactants (GR1) , wherein GR1 comprises one or more aromatic polyisocyanates and a polyol component , wherein said polyol component comprises(a) 50% to 99% by weight, based on the weight of said polyol component, one or more polyester polyols,(b) 0.1% to 10% by weight, based on the weight of said polyol component, one or more diols having a hydrophilic side chain, wherein the hydrophilic side chain comprises bonded units selected from ethylene oxide, propylene oxide, butylene oxide, and combinations thereof; and(c) 0.9% to 40% by weight, based on the weight of said polyol component, one or more polyols different from (a) and (b).2. The composition of claim 1 , wherein (c) comprises 2% to 20% by weight claim 1 , based on the weight of said polyol component claim 1 , one or more polyethylene glycols.3. The composition of claim 2 , wherein the total amount in said polyol component of polyether polyols that are not said polyethylene glycols and that are not said diols having a hydrophilic side chain is claim 2 , by weight based on the total weight of said polyol component claim 2 , 20% or less.4. The composition of claim 1 , wherein (c) comprises 0.5% to 5% by weight claim 1 , based on the weight of said polyol component claim 1 , one or more monomeric diols.5. The composition of claim 1 , wherein said polyester polyol (a) comprises one or more aliphatic polyester polyols.6. The composition of claim 1 , wherein said GR1 additionally comprises one or more polyamines.7. The ...

POLYURETHANE POLYUREA, METHOD FOR PROVIDING SAME AND COSMETIC COMPOSITION CONTAINING SAME

A polyurethane polyurea having strong thickening and gelling effects, obtained by reacting a polyurethane polyurea prepolymer obtained from a silicone derivative starting material having a specific structure, a specific diisocyanate compound starting material and a starting material made up of a compound represented by General Formula (C) (each of which is set forth in the Description), with either or both of a nitrogen compound having a specific structure and a hydroxyl group-containing compound having a specific structure (each of which is set forth in the Description. 2. The polyurethane polyurea according to claim 1 , obtained by first manufacturing a polyurethane prepolymer using each starting material such that the amount of isocyanate groups in the diisocyanate compound starting material is 1.1 to 3.0 moles and the total amount of either or both of amino groups and water (when Ris oxygen) in the compound material represented by General Formula (C) is 0.01 to 1.0 moles per mole of hydroxyl groups in the silicone derivative starting material claim 1 , and then reacting this polyurethane polyurea prepolymer with either or both of the nitrogen compound starting material and the hydroxyl group-containing compound starting material such that the total amount of either or both of amino groups in the nitrogen compound starting material and hydroxyl groups in the hydroxyl group-containing compound starting material is 0.05 to 4.0 moles per mole of the hydroxyl groups in the silicone derivative starting material.4. The polyurethane polyurea according to claim 3 , wherein the ratio of the numbers of urethane bonds and urea bonds in the structure of the polyurethane polyurea represented by General Formula (1) in which Xand Xare removed (and Xin General Formula (1-2) is removed when any of Rto Ris a group represented by General Formula (1-2)) is 4:1 to 100:1 (urethane bonds:urea bonds).5. A silicone oil composition containing 0.1 to 20 parts by mass of the polyurethane ...

THERMALLY STABLE GLUCOSE LIMITING MEMBRANE FOR GLUCOSE SENSORS

Embodiments of the invention provide compositions useful in analyte sensors as well as methods for making and using such compositions and sensors. In typical embodiments of the invention, the sensor is a glucose sensor comprising an analyte modulating membrane formed from a polymeric reaction mixture formed to include limiting amounts of catalyst and/or polycarbonate compounds so as to provide such membranes with improved material properties such as enhanced thermal and hydrolytic stability. 1. A method of increasing the thermal stability of a biocompatible membrane formed by a reaction mixture comprising:a diisocyanate;a hydrophilic polymer comprising a hydrophilic diol or hydrophilic diamine;a siloxane having an amino, hydroxyl or carboxylic acid functional group at a terminus; and a catalyst;the method comprising forming the reaction mixture such that the catalyst is present in the reaction mixture in amounts less than 0.2% of reaction mixture components;thereby increasing the thermal stability of the biocompatible membrane as compared to a comparable membrane formed from a reaction mixture where the catalyst is present in the reaction mixture in amounts greater than or equal to 0.2% of the reaction mixture.2. The method of claim 1 , wherein the reaction mixture further comprises a polycarbonate diol.3. The method of claim 1 , wherein the catalyst is present in the reaction mixture in amounts less than 0.11% of the reaction mixture.4. The method of claim 1 , wherein:(a) the diisocyanate comprises a hexamethylene diisocyanate and/or a methylene diphenyl diisocyanate;(b) the hydrophilic polymer comprising a hydrophilic diol or hydrophilic diamine comprises a JEFFAMINE;(c) the siloxane having an amino, hydroxyl or carboxylic acid functional group at a terminus comprises a polydimethylsiloxane.5. The method of claim 2 , wherein the polycarbonate diol comprises a (poly(1 claim 2 ,6-hexyle carbonate) diol and/or a or poly(1 claim 2 ,6 hexyl-1 claim 2 ,5 pentyl ...

METHOD OF PREPARING ELASTOMER MEMBRANE WITH HIGH WATER PRESSURE RESISTANCE

A method of preparing an elastomer membrane with high water pressure resistance includes the following steps: preparing a dry material by subjecting first thermoplastic polyurethane (TPU) powder/particles to a drying treatment; preparing a first mixture by mixing the dry material thoroughly with one or a mixture of at least two of diethylenetriamine, diethylaminopropylamine, and diaminodiphenylmethane; preparing a second mixture by mixing an initiator thoroughly with the first mixture; preparing a first membrane layer from the second mixture; and preparing a second membrane layer and a third membrane layer through the above steps such that the second membrane layer and the third membrane layer are sequentially formed on the first membrane layer. 1. A method of preparing an elastomer membrane with high water pressure resistance , the method comprising the steps of:(a) preparing a dry material by subjecting first thermoplastic polyurethane (TPU) powder/particles to a drying treatment at 70° C.˜85° C.;(b) preparing a modifier, wherein the modifier is one or a mixture of at least two of diethylenetriamine, diethylaminopropylamine, and diaminodiphenylmethane;(c) preparing a first mixture by mixing the dry material thoroughly with the modifier in a weight ratio of 50%˜95%:5%˜50%;(d) preparing a second mixture by mixing an initiator thoroughly with the first mixture in a weight ratio of 0.01˜5:100;(e) preparing a first membrane layer by passing the second mixture through a mixing device and a lamination device;(f) preparing a second membrane layer by repeating the steps (a) to (e) with second TPU powder/particles, wherein the second TPU powder/particles have a weight-average molecular weight higher than or equal to a weight-average molecular weight of the first TPU powder/particles, and the second membrane layer is formed on the first membrane layer; and(g) preparing a third membrane layer by repeating the steps (a) to (e) with third TPU powder/particles, wherein the third ...